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SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION (Properties) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2010
Real Estate and Accumulated Depreciation        
Encumbrances $ 2,284,761us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances      
Initial Cost to Company        
Land and Improvements 1,952,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand      
Buildings and Improvements 19,538,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements      
Costs Capitalized Subsequent to Acquisition 480,850us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements      
Gross Amount Carried at Close of Period        
Land and Improvements 1,956,128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand      
Buildings and Improvements 20,015,166us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements      
Total 21,971,294us-gaap_RealEstateGrossAtCarryingValue 20,393,411us-gaap_RealEstateGrossAtCarryingValue 18,763,903us-gaap_RealEstateGrossAtCarryingValue 17,029,404us-gaap_RealEstateGrossAtCarryingValue
Accumulated Depreciation 3,493,691us-gaap_RealEstateAccumulatedDepreciation 2,881,950us-gaap_RealEstateAccumulatedDepreciation 2,289,783us-gaap_RealEstateAccumulatedDepreciation 1,729,976us-gaap_RealEstateAccumulatedDepreciation
NBV 18,477,603vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet      
SKILLED NURSING FACILITIES        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 252,494us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,560,418us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 34,879us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 252,195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,595,596us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,847,791us-gaap_RealEstateGrossAtCarryingValue
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 701,288us-gaap_RealEstateAccumulatedDepreciation
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,146,503vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Seniors Housing Communities        
Real Estate and Accumulated Depreciation        
Encumbrances 1,723,660us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,411,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,480,887us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 319,745us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,415,658us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,796,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,212,580us-gaap_RealEstateGrossAtCarryingValue
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,071,110us-gaap_RealEstateAccumulatedDepreciation
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,141,470vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
HOSPITALS        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 55,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 428,794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 8,500us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 55,852us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 437,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 493,146us-gaap_RealEstateGrossAtCarryingValue
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 255,543us-gaap_RealEstateAccumulatedDepreciation
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 237,603vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
PERSONAL CARE FACILITIES        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 12,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 143,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 71us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 12,473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 143,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 155,733us-gaap_RealEstateGrossAtCarryingValue
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 7,161us-gaap_RealEstateAccumulatedDepreciation
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 148,572vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
PERSONAL CARE FACILITIES | 7701, Spire Hull and East Riding Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 3,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 81,613us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 81,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 84,807us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 1,250us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 83,557vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireHullAndEastRidingHospital7701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 50 years      
PERSONAL CARE FACILITIES | 7700, Spire Fylde Coast Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 28,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 28,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 31,342us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 449us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 30,893vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireFyldeCoastHospital7700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 50 years      
PERSONAL CARE FACILITIES | 7702, Spire Clare Park Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 6,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 26,119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,263us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 26,119us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 32,382us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 422us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 31,960vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpireClareParkHospital7702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 50 years      
PERSONAL CARE FACILITIES | 3721, ResCare Tangram - Ranch        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 113us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 919us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 1,066us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 669us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 397vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramRanch3721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3722, ResCare Tangram - Mesquite        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 15us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 1,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 140us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 15us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 1,218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 1,233us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 882us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 351vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramMesquite3722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3723, ResCare Tangram - Hacienda        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 31us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 84us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 78us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 878us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 956us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 692us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 264vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramHacienda3723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3726, ResCare Tangram - Loma Linda        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 40us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 40us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 260us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 179us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 81vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramLomaLinda3726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3724, ResCare Tangram - Texas Hill Country School        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 54us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 8us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 62us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 934us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 996us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 759us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 237vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramTexasHillCountrySchool3724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3725, ResCare Tangram - Chaparral        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 150us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 784us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 465us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 319vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramChaparral3725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3727, ResCare Tangram - Sierra Verde & Roca Vista        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 20us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 56us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 20us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 966us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 986us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 748us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 238vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangramSierraVerdeRocaVista3727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
PERSONAL CARE FACILITIES | 3719, ResCare Tangram - 618 W. Hutchinson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 226us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 1,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (480)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Buildings and Improvements 795us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Total 921us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Accumulated Depreciation 646us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
NBV 275vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RescareTangram618WHutchinson3719Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_PersonalCareFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS        
Real Estate and Accumulated Depreciation        
Encumbrances 561,101us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 219,188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,925,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 117,655us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 219,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,042,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,262,044us-gaap_RealEstateGrossAtCarryingValue
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 458,589us-gaap_RealEstateAccumulatedDepreciation
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,803,455vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
MEDICAL OFFICE BUILDINGS | St. Vincent's Medical Center East 46 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 3,820us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 29,118us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 29,118us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,836us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 24,282vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast46Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | St. Vincent's Medical Center East 52 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 923us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,531us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,531us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,821us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,710vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast52Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Crestwood Medical Pavilion [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 4,553us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 76us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,254us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,879us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,040us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,839vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrestwoodMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Canyon Springs Medical Plaza [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,653us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 66us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,563us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 27,563us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,941us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 24,622vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonSpringsMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | St. Vincent's Medical Center East 48 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,698us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 391us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,089us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,356us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,733vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.VincentsMedicalCenterEast48Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Mercy Gilbert Medical Plaza [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 7,779us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,277us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 273us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 720us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,270us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,701us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,569vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MercyGilbertMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Thunderbird Paseo Medical Plaza [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,904us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 509us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,413us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,448us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,965vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Thunderbird Paseo Medical Plaza II [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 222us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,322us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 996us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,326vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThunderbirdPaseoMedicalPlazaIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Desert Medical Pavilion [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 32,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 11us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 32,779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 32,779us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,895us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 30,884vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertMedicalPavilionMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Desert Samaritan Medical Building I [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 445us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,368us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,300us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,068vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Desert Samaritan Medical Building II [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,395us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 44us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,439us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 895us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,544vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Desert Samaritan Medical Building III [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,665us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 657us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 14,322us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,572us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,750vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DesertSamaritanMedicalBuildingIIIMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6703, Deer Valley Medical Office Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 13,261us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 22,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 492us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 14us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 23,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 23,155us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,522us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 20,633vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIi6703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6704, Deer Valley Medical Office Building III        
Real Estate and Accumulated Depreciation        
Encumbrances 10,931us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 21us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 12us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 19,542us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,123us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 17,419vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DeerValleyMedicalOfficeBuildingIii6704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6710, Papago Medical Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 305us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,477us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,622us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,855vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PapagoMedicalPark6710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6809, Burbank Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,241us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 23,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 412us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 23,734us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 24,975us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,352us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 21,623vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlaza6809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6827, Burbank Medical Plaza II        
Real Estate and Accumulated Depreciation        
Encumbrances 35,606us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 45,641us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 156us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 45,797us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 46,288us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 5,258us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 41,030vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurbankMedicalPlazaIi6827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6808, Eden Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 139us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 258us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,852us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 591us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,261vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdenMedicalPlaza6808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6828, Sutter Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,371us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 26,459us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 26,459us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,549us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 24,910vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SutterMedicalCenter6828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6818, PMB Chula Vista        
Real Estate and Accumulated Depreciation        
Encumbrances 15,421us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 169us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,964us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 22,526us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 19,729vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbChulaVista6818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2959, North Bay Corporate Headquarters        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 19,187us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,225us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 17,962vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthbayCorporateHeadquarters2959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2960, Gateway Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 24us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 820us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,076vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalPlaza2960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2961, Solano North Bay Health Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,880us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 562us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,318vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanoNorthbayHealthPlaza2961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | NorthBay Healthcare MOB, 2964 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,280us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,787us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,787us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 460us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,327vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthBayHealthcareMOB2964Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
MEDICAL OFFICE BUILDINGS | 6620, Verdugo Hills Professional Bldg I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 6,683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 115us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,683us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,704us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,387us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,771us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,616vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldgI6620Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 6621, Verdugo Hills Professional Bldg II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 4,464us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,731us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 179us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,374us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 962us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,412vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VerdugoHillsProfessionalBldg26621Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 19 years      
MEDICAL OFFICE BUILDINGS | 6810, St. Francis Lynwood Medical        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 532us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 688us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,917us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,605us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,810us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,795vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisLynwoodMedical6810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 6824, PMB Mission Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 15,468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 30,116us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 4,729us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 15,468us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 34,845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 50,313us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,099us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 48,214vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PmbMissionHills6824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6816, PDP Mission Viejo        
Real Estate and Accumulated Depreciation        
Encumbrances 44,242us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,916us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 77,022us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 183us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,916us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 77,205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 79,121us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 9,153us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 69,968vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpMissionViejo6816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6817, PDP Orange        
Real Estate and Accumulated Depreciation        
Encumbrances 47,267us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,752us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 61,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 85us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,761us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 61,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 63,484us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 7,571us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 55,913vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PdpOrange6817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6823, NHP/PMB Pasadena        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,138us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 83,412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 8,484us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,138us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 91,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 95,034us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 12,075us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 82,959vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NhpPmbPasadena6823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6826, Western University of Health Sciences Medical Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 91us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 31,523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 91us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 31,523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 31,614us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,525us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 28,089vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternUniversityOfHealthSciencesMedicalPavilion6826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6815, Pomerado Outpatient Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 71,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,852us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 74,287us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 77,520us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 9,538us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 67,982vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PomeradoOutpatientPavilion6815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6811, San Gabriel Valley Medical        
Real Estate and Accumulated Depreciation        
Encumbrances 8,881us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 914us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 186us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 914us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,696us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,610us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,142us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,468vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanGabrielValleyMedical6811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6812, Santa Clarita Valley Medical        
Real Estate and Accumulated Depreciation        
Encumbrances 21,850us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 9,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 20,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 325us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 9,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 20,327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 30,053us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,690us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 27,363vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SantaClaritaValleyMedical6812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6825, Kenneth E Watts Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,945us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 749us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 291us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,956us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,564us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,392vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennethEWattsMedicalPlaza6825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 2962, Vaca Valley Health Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,634us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 609us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,025vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VacaValleyHealthPlaza2962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2951, Potomac Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,118us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,081us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,600us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,279us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,321vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PotomacMedicalPlaza2951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2952, Briargate Medical Campus        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 300us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,244us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,839us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,588us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,251vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BriargateMedicalCampus2952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2953, Printers Park Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,641us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 47,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,420us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,641us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 48,927us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 51,568us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 13,399us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 38,169vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrintersParkMedicalPlaza2953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2963, Green Valley Ranch Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 5,939us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 144us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 235us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,283us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 736us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,547vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyRanchMedicalOfficeBuilding2963Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6310, Community Physicians Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,436us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,330us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,766us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,766us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,043us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,723vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CommunityPhysiciansPavilion6310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Exempla Good Samaritan, 6311 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,398us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,398us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 134us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,264vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ExemplaGoodSamaritan6311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2956, Avista Two Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,644us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 18,974us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,974us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,088us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,886vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvistaTwoMedicalPlaza2956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3071, The Sierra Medical Building        
Real Estate and Accumulated Depreciation        
Encumbrances 491us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,059us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 3,071us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,474us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,574us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,168us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,406vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraMedicalBuilding3071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Crown Point Healthcare Plaza, 6730 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 852us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,062us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 286us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,776vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointHealthcarePlaza6730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6320, Lutheran Medical Office Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 819us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,474us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,474us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 782us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,692vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIi6320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6321, Lutheran Medical Office Building IV        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 883us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,149us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,149us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,455us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,694vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIv6321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6322, Lutheran Medical Office Building III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 11us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,958us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,958us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,177us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,781vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LutheranMedicalOfficeBuildingIii6322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6390, DePaul Professional Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,775us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,199us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,199us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,126us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,073vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulProfessionalOfficeBuilding6390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6391, Providence Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 509us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,982us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 898us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,084vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMedicalOfficeBuilding6391Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2930, RTS Arcadia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,884us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,229us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 415us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,814vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsArcadia2930Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 2907, Aventura Heart & Health        
Real Estate and Accumulated Depreciation        
Encumbrances 15,978us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,961us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 28,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 28,322us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 8,899us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 19,423vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AventuraHeartHealth2907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2932, RTS Cape Coral        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,448us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,448us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,816us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 662us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,154vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsCapeCoral2932Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 2933, RTS Englewood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,587us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 458us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,129vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsEnglewood2933Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2934, RTS Ft. Myers        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,280us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 601us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,679vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsFtMyers2934Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 2935, RTS Key West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 486us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,866us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 474us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,392vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsKeyWest2935Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2902, JFK Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,711us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 139us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 453us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,303us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 632us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,671vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JfkMedicalPlaza2902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2903, Palms West Building 6        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,678us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 45us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 965us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,688us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 825us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,863vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PalmsWestBuilding62903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2938, RTS Naples        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,878us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 458us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,420vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsNaples2938Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6633, Woodlands Center for Specialized Med        
Real Estate and Accumulated Depreciation        
Encumbrances 15,298us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 29us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 26,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,570us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 23,983vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandsCenterForSpecializedMed6633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2939, RTS Pt. Charlotte        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 966us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,581us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,547us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 591us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,956vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsPtCharlotte2939Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 2940, RTS Sarasota        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,914us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,889us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,914us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,889us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,803us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 529us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,274vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsSarasota2940Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2906, University Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 132us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,822us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,020us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,802vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityMedicalOfficeBuilding2906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2941, RTS Venice        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,536us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,640us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 537us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,103vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsVenice2941Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3081, Augusta Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 422us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,863us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,159us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,704vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaMedicalPlaza3081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 3082, Augusta Professional Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 458us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 691us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,511us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,202us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,499us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,703vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaProfessionalBuilding3082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
MEDICAL OFFICE BUILDINGS | 6560, Augusta POB I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 502us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,396us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,629us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,176us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,453vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB16560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 14 years      
MEDICAL OFFICE BUILDINGS | 6561, Augusta POB, II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 14,453us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,569us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,884vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB26561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 6562, Augusta POB, III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 535us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,857us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 144us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,001us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,536us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 865us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,671vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB36562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 6563, Augusta POB, IV        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 827us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,009us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,684us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 621us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,063vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaPOB46563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 3008, Cobb Physicians Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 867us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,672us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,817us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,896us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 15,921vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CobbPhysiciansCenter3008Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3083, Columbia Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 131us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 268us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,628us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 482us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,414vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 3009, Parkway Physicians Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,017us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 366us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,859us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,601us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,258vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPhysiciansCenter3009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3006, Eastside Physicians Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,289us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,814us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 26,826us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 28,122us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 6,163us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 21,959vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansCenter3006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3007, Eastside Physicians Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 6,533us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (28)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,917us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,214us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,437vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsidePhysiciansPlaza3007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Good Shepherd Physician Office Building I, 6722 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 59us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,283us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,435us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 160us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,275vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingI6722Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Good Shepherd Physician Office Building II, 6723 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,977us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 106us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,083us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,595us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 657us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,938vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodShepherdPhysicianOfficeBuildingII6723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Trinity Hospital Physician Office Building, 6725 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,329us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 11us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 139us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,479us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 193us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,286vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityHospitalPhysicianOfficeBuilding6725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6400, Physicians Plaza East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 612us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,403us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 498us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 905vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaEast6400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6401, Physicians Plaza West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 226us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,169us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 656us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,513vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPlazaWest6401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6404, Kenwood Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 39us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,939us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,939us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,783vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodMedicalCenter6404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6405, 304 W Hay Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,702us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 146us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,848us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,848us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,784us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,064vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3046405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6406, 302 W Hay Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 122us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,589us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 990us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,599vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3026406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6407, ENTA        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,150us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 249us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 901vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Enta6407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6408, 301 W Hay Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 640us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 192us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 448vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding3016408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6409, South Shore Medical Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 902us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,031us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 119us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 912vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreMedicalBuilding6409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6410, SIU Family Practice        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 19us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,708us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 411us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,297vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SiuFamilyPractice6410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6411, Corporate Health Services        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,386us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 934us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,386us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,320us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 368us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,952vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CorporateHealthServices6411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6412, Rock Springs Medical        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 399us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 894us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 140us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 754vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockSpringsMedical6412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6420, 575 W Hay Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 739us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 739us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 850us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 176us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 674vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WHayBuilding5756420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Good Samaritan Physician Office Building I, 6720 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 407us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 115us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,859us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 514us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,345vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingI6720Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Good Samaritan Physician Office Building II, 6721 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 43us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 26,426us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,257us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 25,169vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanPhysicianOfficeBuildingII6721Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2954, Eberle Medical Office Building ("Eberle MOB")        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 93us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,408us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,683us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,725vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EberleMedicalOfficeBuilding2954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2971, 1425 Hunt Club Road MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 62us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,763us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 333us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,430vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubRoadMob14252971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 2972, 1445 Hunt Club Drive        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 297us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,918us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 487us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,431vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntClubDrive14452972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 2973, Gurnee Imaging Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,731us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,813us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 353us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,460vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeImagingCenter2973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2974, Gurnee Center Club        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 627us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,478us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,421us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,057vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GurneeCenterClub2974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | South Suburban Hospital Physician Office Building, 6726 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,563us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 250us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,313vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthSuburbanHospitalPhysicianOfficeBuilding6726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2955, Doctors Office Building III ("DOB III")        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 66us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 24,616us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 6,115us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 18,501vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsOfficeBuildingIii2955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2970, 755 Milwaukee MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 421us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,716us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 885us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 479us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,022us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,406us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,616vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MilwaukeeMob7552970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 18 years      
MEDICAL OFFICE BUILDINGS | 2979, 890 Professional MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 214us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 122us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,752us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,966us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 561us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,405vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalMob8902979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
MEDICAL OFFICE BUILDINGS | 2980, Libertyville Center Club        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,176us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,196us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,394us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 15,802vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyvilleCenterClub2980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Christ Medical Center Physician Office Building, 6724 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,421us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 658us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,080us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 814us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,266vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChristMedicalCenterPhysicianOfficeBuilding6724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2975, Round Lake ACC        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 80us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 785us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 423us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,208us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 286us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 922vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoundLakeAcc2975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 13 years      
MEDICAL OFFICE BUILDINGS | 2976, Vernon Hills Acute Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 153us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,223us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 370us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,853vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VernonHillsAcuteCareCenter2976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 15 years      
MEDICAL OFFICE BUILDINGS | 6300, Wilbur S. Roby Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 562us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,215us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,215us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,438vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilburSRobyBuilding6300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6301, Ambulatory Services Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,077us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,343us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,343us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,364us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,979vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmbulatoryServicesBuilding6301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6302, St. John's Medical Arts Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,281us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 422us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,703us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 685us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,018vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJohnsMedicalArtsBuilding6302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6000, Carmel I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 466us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,954us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 38us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 466us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,458us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 820us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,638vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel16000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 6001, Carmel II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,976us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 71us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 455us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,502us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 779us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,723vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel26001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 33 years      
MEDICAL OFFICE BUILDINGS | 6003, Carmel III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 53us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,247us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,669us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 696us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,973vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Carmel36003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3090, Elkhart        
Real Estate and Accumulated Depreciation        
Encumbrances 1,201us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,973us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,229us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 598us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,631vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Elkhart3090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 6004, Harcourt Professional Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 28,951us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 783us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 29,734us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 30,253us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,707us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 26,546vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarcourtProfessionalOfficeBuilding6004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
MEDICAL OFFICE BUILDINGS | 6005, Cardiac Professional Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 344us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 28,272us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,908us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 25,364vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CardiacProfessionalOfficeBuilding6005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6006, Oncology Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 152us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,325us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 735us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,590vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OncologyMedicalOfficeBuilding6006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | St. Francis South Medical Office Building, 6120 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 20,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 469us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 21,118us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 21,118us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,333us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 19,785vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_St.FrancisSouthMedicalOfficeBuilding6120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6600, Methodist Professional Center I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 37,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,142us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 39,553us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 39,614us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,993us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 34,621vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MethodistProfessionalCenter16600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 3091, LaPorte        
Real Estate and Accumulated Depreciation        
Encumbrances 746us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 553us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,862us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 258us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,604vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Laporte3091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 3092, Mishawaka        
Real Estate and Accumulated Depreciation        
Encumbrances 3,440us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,787us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,543us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,787us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,330us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,746us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,584vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Mishawaka3092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3093, South Bend        
Real Estate and Accumulated Depreciation        
Encumbrances 1,416us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 792us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,322us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 412us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,910vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthBend3093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 6590, OLBH Same Day Surgery Center Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 144us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 19,311us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,401us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,910vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OlbhSameDaySurgeryCenterMedicalOfficeBuilding6590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
MEDICAL OFFICE BUILDINGS | 6634, Saint Elizabeth Covington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (16)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,119us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,353us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,766vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethCovington6634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6635, Saint Elizabeth Florence Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 402us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 702us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 402us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,981us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,383us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,189us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,194vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintElizabethFlorenceMedicalOfficeBuilding6635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | Jefferson Clinic, 6735 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 673us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,018us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,691us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,691us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 32us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,659vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonClinic6735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6585, East Jefferson Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 81us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,513us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,881us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,632vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalPlaza6585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 6586, East Jefferson Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 107us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 154us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,291us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 15,398us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,528us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,870vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastJeffersonMedicalOfficeBuilding6586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
MEDICAL OFFICE BUILDINGS | 6800, Lakeside POB I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,974us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,979us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,334us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,287us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,510us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,777vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobI6800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 6801, Lakeside POB II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 419us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,221us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,267us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 501us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,766vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakesidePobIi6801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 7 years      
MEDICAL OFFICE BUILDINGS | 2931, RTS Berlin        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,216us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 294us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,922vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsBerlin2931Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
MEDICAL OFFICE BUILDINGS | 3015, Charles O. Fisher Medical Building        
Real Estate and Accumulated Depreciation        
Encumbrances 11,298us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,290us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 15,085us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,989us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,096vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CharlesOFisherMedicalBuilding3015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6330, Medical Specialties Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 952us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 20,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 20,194us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,564us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,630vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalSpecialtiesBuilding6330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6331, North Professional Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 617us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,845us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,383us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,462vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthProfessionalBuilding6331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6332, Medical Commons Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 6us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 667us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 139us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 528vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCommonsBuilding6332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6333, Borgess Navigation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,391us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,391us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 509us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,882vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessNavigationCenter6333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6337, Borgess Health & Fitness Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 170us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,129us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,555us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,574vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BorgessHealthFitnessCenter6337Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6360, Heart Center Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 345us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,765us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,805us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,960vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterBuilding6360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2936, RTS Madison Heights        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,946us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 376us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,971vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMadisonHeights2936Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2937, RTS Monroe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 281us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,731us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 494us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,237vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RtsMonroe2937Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 6336, Pro Med Center Plainwell        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 697us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 697us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 166us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 531vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterPlainwell6336Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6335, Pro Med Center Richland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 30us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,530us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 452us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,078vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProMedCenterRichland6335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6625, Cogdell Duluth Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 33,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (19)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 33,387us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 33,387us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,300us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 31,087vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CogdellDuluthMedicalOfficeBuilding6625Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6615, Health Partners Medical and Dental Clinics        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 46us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,232us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,837us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,395vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthPartnersMedicalAndDentalClinics6615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2986, Arnold Urgent Care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 82us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,097us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 599us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,696us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 282us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,414vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArnoldUrgentCare2986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6040, DePaul Health Center North        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,045us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 472us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,513us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,788us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,725vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterNorth6040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 21 years      
MEDICAL OFFICE BUILDINGS | 6041, DePaul Health Center South        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 358us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,437us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,652us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,785vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DepaulHealthCenterSouth6041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 2987, Fenton Urgent Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,714us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 137us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 183us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,034us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 559us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,475vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FentonUrgentCareCenter2987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6010, Saint Joseph Medical Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,154us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,599us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,904us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 795us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,109vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalBuilding6010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 6011. Saint Joseph Medical Mall        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 183us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,828us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,095us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,733vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephMedicalMall6011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 33 years      
MEDICAL OFFICE BUILDINGS | 6012, Carondelet Medical Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 389us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,826us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,571us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,587us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,984vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarondeletMedicalBuilding6012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
MEDICAL OFFICE BUILDINGS | 6045, Saint Joseph Hospital West Medical Office Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 142us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,371us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,895us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 460us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,435vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHospitalWestMedicalOfficeBuilding26045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6048, Saint Joseph O'Fallon Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 9us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,505us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 592us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,913vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephOfallonMedicalOfficeBuilding6048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6042, Saint Marys Health Center Medical Office Building B        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,161us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 570us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 119us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,850us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 723us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,127vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingB6042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 6043, Saint Marys Health Center Medical Office Building C        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 136us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,384us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 877us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,507vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingC6043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 6044, Saint Marys Health Center Medical Office Building D        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 438us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 563us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,758vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintMarysHealthCenterMedicalOfficeBuildingD6044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 2982, Physicians Office Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 278us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,445us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 15,548us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,833us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,715vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansOfficeCenter2982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6046, Saint Joseph Health Center Medical Building I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,336us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 306us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,642us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,145us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 852us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding16046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 6047, Saint Joseph Health Center Medical Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 369us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 85us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,417us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 461us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,956vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintJosephHealthCenterMedicalBuilding26047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 2983, 12700 Southford Road Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 595us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,061us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,645us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 14,240us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,620us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,620vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthfordRoadMedicalPlaza127002983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 2984, St Anthony's MOB A        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 487us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,174us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,583us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,250us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,333vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SaintAnthonysMobA2984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 2985, St Anthony's MOB B        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 235us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,527us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,202us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,325vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StAnthonysMobB2985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 21 years      
MEDICAL OFFICE BUILDINGS | 2988, Lemay Urgent Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 285us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,339us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,722us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 977us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,745vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LemayUrgentCareCenter2988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 6580, University Physicians Grants Ferry        
Real Estate and Accumulated Depreciation        
Encumbrances 9,579us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (13)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 14,908us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,410us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 13,498vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityPhysiciansGrantsFerry6580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6484, Randolph        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 6,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,929us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 332us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,631us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,839us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,792vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Randolph6484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 4 years      
MEDICAL OFFICE BUILDINGS | 6486, Mallard Crossing I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 3,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 351us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,423us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,652us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 834us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,818vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MallardCrossing16486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6500, Medical Arts Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,734us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 170us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,904us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,605us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,016us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,589vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuilding6500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 6501, Gateway Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,904us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 284us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,288us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,590us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,698vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayMedicalOfficeBuilding6501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6505, Copperfield Medical Mall        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,846us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 256us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,102us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,082us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 684us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,398vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldMedicalMall6505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6506, Weddington Internal and Pediatric Medicine        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 4us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 574us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 692us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,266us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 171us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,095vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeddingtonInternalAndPediatricMedicine6506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
MEDICAL OFFICE BUILDINGS | 6490, Gaston Professional Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,885us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 593us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 25,478us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 26,311us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,923us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 23,388vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GastonProfessionalCenter6490Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6502, Harrisburg Family Physicians        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,330us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 212us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,118vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgFamilyPhysicians6502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6503, Harrisburg Medical Mall        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 148us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,339us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,779us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 646us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,133vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisburgMedicalMall6503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
MEDICAL OFFICE BUILDINGS | 6488, Northcross        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 623us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 278us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (1)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 623us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 900us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 153us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 747vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Northcross6488Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 2958, REX Knightdale MOB & Wellness Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 22,823us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 22,823us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 22,823us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,437us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 21,386vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RexKnightdaleMobWellnessCenter2958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6631, Alamance Regional Mebane Outpatient Ctr.        
Real Estate and Accumulated Depreciation        
Encumbrances 11,793us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,291us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (9)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,245us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,197us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,048vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlamanceRegionalMebaneOutpatientCtr6631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6504, Midland Meical Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 19us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,221us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,087us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 303us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,784vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandMeicalPark6504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6512, East Rocky Mount Kidney Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 803us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 998us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (2)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 803us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,799us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 220us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,579vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastRockyMountKidneyCenter6512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 33 years      
MEDICAL OFFICE BUILDINGS | 6513, Rocky Mount Kidney Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 479us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 39us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 479us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,815us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 285us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,530vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountKidneyCenter6513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6514, Rocky Mount Medical Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 292us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,577us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,238us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,385vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockyMountMedicalPark6514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 6630, English Road Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 4,519us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,321us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 4us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,321us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,751us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,072us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 717us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,355vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EnglishRoadMedicalCenter6630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6510, Rowan Outpatient Surgery Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (5)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,218us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 633us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,585vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RowanOutpatientSurgeryCenter6510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6813, Del E Webb Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,993us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 844us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,837us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,865us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,786us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,079vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DelEWebbMedicalPlaza6813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6819, The Terrace at South Meadows        
Real Estate and Accumulated Depreciation        
Encumbrances 6,835us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 442us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,912us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,705us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,207vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TerraceAtSouthMeadows6819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6610, Central NY Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 24,500us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 26,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,219us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,786us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 29,106us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,459us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 25,647vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CentralNyMedicalCenter6610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 33 years      
MEDICAL OFFICE BUILDINGS | 2925, Anderson Medical Arts Building I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,617us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,249us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,352us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,897vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingI2925Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2926, Anderson Medical Arts Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 2,247us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,370us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,772us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,598vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndersonMedicalArtsBuildingIi2926Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6200, Riverside North Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 8,420us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 785us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 658us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 785us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,962us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,508us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,454vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideNorthMedicalOfficeBuilding6200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6201, Riverside South Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 6,311us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 526us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,824us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,410us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,067us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,343vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideSouthMedicalOfficeBuilding6201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
MEDICAL OFFICE BUILDINGS | 6202, 340 East Town Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 5,862us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 10us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 443us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 10us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,178us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,718vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A340EastTownMedicalOfficeBuilding6202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
MEDICAL OFFICE BUILDINGS | 6203, 393 East Town Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 3,288us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 43us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,803us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,864us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 733us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,131vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A393EastTownMedicalOfficeBuilding6203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 6204, 141 South Sixth Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 1,544us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 80us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (1)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 80us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,192us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 268us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 924vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A141SouthSixthMedicalOfficeBuilding6204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 14 years      
MEDICAL OFFICE BUILDINGS | 6205, Doctors West Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 4,705us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,362us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 505us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 414us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,867us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,281us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 750us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,531vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoctorsWestMedicalOfficeBuilding6205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6208, Eastside Health Center        
Real Estate and Accumulated Depreciation        
Encumbrances 4,399us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (2)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 956us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,426us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 785us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,641vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideHealthCenter6208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 15 years      
MEDICAL OFFICE BUILDINGS | 6220, Heart Center Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,063us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 157us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,360us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,494us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,866vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeartCenterMedicalOfficeBuilding6220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6221, Wilkins Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 18,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 26us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 18,088us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,211us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,766us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,445vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsMedicalOfficeBuilding6221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6207, Grady Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 1,824us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 253us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 239us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,755us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 430us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,325vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GradyMedicalOfficeBuilding6207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6206, Dublin Northwest Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 3,118us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,278us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 12us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,632us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 462us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,170vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DublinNorthwestMedicalOfficeBuilding6206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 6210, Preserve III Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 9,684us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,025us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (66)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,449us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,408us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 917us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,491vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PreserveIiiMedicalOfficeBuilding6210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6209, East Main Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 5,226us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,771us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 47us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,258us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 532us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,726vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastMainMedicalOfficeBuilding6209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6950, Zanesville Surgery Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,403us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 172us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,575us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,145us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 8,430vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleSurgeryCenter6950Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6951, Dialysis Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 28us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,417us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 284us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,133vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DialysisCenter6951Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 21 years      
MEDICAL OFFICE BUILDINGS | 6952, Genesis Children's Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,319us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 638us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,681vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GenesisChildrensCenter6952Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 6953, Medical Arts Building I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 115us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 436us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,513us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,949us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 599us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,350vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingI6953Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 6954, Medical Arts Building II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 289us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,787us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,530us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,257vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIi6954Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6955, Medical Arts Building III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 94us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 94us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,342us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 289us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,053vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalArtsBuildingIii6955Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6956, Primecare Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,344us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 79us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,423us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 383us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,170vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimecareBuilding6956Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
MEDICAL OFFICE BUILDINGS | 6957, Outpatient Rehabilitation Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,541us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 82us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,541us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 281us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,342vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutpatientRehabilitationBuilding6957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
MEDICAL OFFICE BUILDINGS | 6958, Radiation Oncology Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 105us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 105us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,306us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 257us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,049vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RadiationOncologyBuilding6958Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6959, Healthplex        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,849us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 540us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 18,877us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,787us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 16,090vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Healthplex6959Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
MEDICAL OFFICE BUILDINGS | 6960, Physicians Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 292us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,011us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,396us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,615vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion6960Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6961, Zanesville Northside Pharmacy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 42us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 42us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 677us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 557vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ZanesvilleNorthsidePharmacy6961Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
MEDICAL OFFICE BUILDINGS | 6962, Bethesda Campus MOB III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 116us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,441us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 242us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,199vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BethesdaCampusMobIii6962Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6814, Tuality 7th Avenue Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 19,054us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 338us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 24,976us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 26,492us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,616us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 22,876vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Tuality7ThAvenueMedicalPlaza6814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3003, DCMH Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,213us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,637us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,637us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,897us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,740vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DcmhMedicalOfficeBuilding3003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 6350, Penn State University Outpatient Center        
Real Estate and Accumulated Depreciation        
Encumbrances 57,415us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 55,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 55,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 55,439us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 8,768us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 46,671vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennStateUniversityOutpatientCenter6350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6605, Lancaster Rehabilitation Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (16)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,824us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 15,729vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterRehabilitationHospital6605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6632, Lancaster ASC MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 9,272us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (4)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,113us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,706us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 15,594vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LancasterAscMob6632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6340, St. Joseph Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,823us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 784us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,607us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,607us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,076us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,531vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StJosephMedicalOfficeBuilding6340Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3002, Professional Office Building I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,251us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,534us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,055us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,479vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalOfficeBuildingI3002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
MEDICAL OFFICE BUILDINGS | 6636, Doylestown Health & Wellness Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 4,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 286us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,497us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 17,624us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 22,121us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,426us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 19,695vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoylestownHealthWellnessCenter6636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 6541, Roper Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 8,571us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,595us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,332us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,459us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,143vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoperMedicalOfficeBuilding6541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
MEDICAL OFFICE BUILDINGS | 6543, St. Francis Medical Plaza (Charleston)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 298us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,244us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,691us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 679us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,012vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaCharleston6543Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6526, Providence MOB I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 79us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 225us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,578us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,056us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,522vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobI6526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 18 years      
MEDICAL OFFICE BUILDINGS | 6527, Providence MOB II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 12us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,846us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,968us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 457us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,511vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIi6527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 18 years      
MEDICAL OFFICE BUILDINGS | 6528, Providence MOB III        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 221us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 766us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,627us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,393us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 832us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,561vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProvidenceMobIii6528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 23 years      
MEDICAL OFFICE BUILDINGS | 6529, One Medical Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 116us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,265us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,662us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,603vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OneMedicalPark6529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 19 years      
MEDICAL OFFICE BUILDINGS | 6530, Three Medical Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 40us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 326us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 40us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,976us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,016us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,879us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,137vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThreeMedicalPark6530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 3070, St. Francis Millennium Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 15,358us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 13,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 10,495us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 30us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 23,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 23,557us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 6,124us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 17,433vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMillenniumMedicalOfficeBuilding3070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6550, 200 Andrews        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 789us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,014us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 51us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 789us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,854us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 622us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,232vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A200Andrews6550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
MEDICAL OFFICE BUILDINGS | 6552, St. Francis CMOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 501us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 528us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,189us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,690us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 957us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,733vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisCmob6552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6553, St. Francis Outpatient Surgery Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,007us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (16)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,007us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 16,522us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 17,529us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,087us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 15,442vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOutpatientSurgeryCenter6553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6554, St. Francis Professional Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 283us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,602us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,962us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,049us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,913vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisProfessionalMedicalCenter6554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 24 years      
MEDICAL OFFICE BUILDINGS | 6555, St. Francis Women's        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 70us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,947us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,269us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,078us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,191vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisWomens6555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 24 years      
MEDICAL OFFICE BUILDINGS | 6556, St. Francis Medical Plaza (Greenville)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 88us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,876us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 27us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 88us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,991us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 966us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,025vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisMedicalPlazaGreenville6556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 24 years      
MEDICAL OFFICE BUILDINGS | 3072, Irmo Professional MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 64us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,478us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,204us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,070us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,134vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrmoProfessionalMob3072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6536, River Hills Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 19us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,406us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 1,832us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,238us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 404us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,834vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverHillsMedicalPlaza6536Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
MEDICAL OFFICE BUILDINGS | 6542, Mount Pleasant Medical Office Longpoint        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 72us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,197us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 976us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,221vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountPleasantMedicalOfficeLongpoint6542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 6551, Mary Black Westside Medical Office Bldg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 291us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 81us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 291us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,138us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,429us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 819us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,610vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryBlackWestsideMedicalOfficeBldg6551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 6570, Health Park Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 6,421us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 26us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 8,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 11,280us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,099us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,181vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthParkMedicalOfficeBuilding6570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6571, Peerless Crossing Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 6,781us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,464us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (7)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,217us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,457us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 752us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,922vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PeerlessCrossingMedicalCenter6571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6642, Medical Center Physicians Tower        
Real Estate and Accumulated Depreciation        
Encumbrances 13,575us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (7)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 549us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 27,067us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 27,616us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,222us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 24,394vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansTower6642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6020, Seton Medical Park Tower        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 41,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,028us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 805us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 42,555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 43,360us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,918us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 39,442vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonMedicalParkTower6020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6021, Seton Norhtwest Health Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 22,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,299us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 444us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 23,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 24,375us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 2,411us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 21,964vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonNorhtwestHealthPlaza6021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6030, Seton Southwest Health Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 32us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,343us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,637us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 526us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,111vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlaza6030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6031, Seton Southwest Health Plaza II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 20us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 10,174us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,621us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 946us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,675vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonSouthwestHealthPlazaIi6031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3074, East Houston MOB, LLC        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (286)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,619us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 2,947us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,010us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 1,937vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMobLlc3074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 15 years      
MEDICAL OFFICE BUILDINGS | 3075, East Houston Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 275us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 671us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 1,372us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 413us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 959vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastHoustonMedicalPlaza3075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 11 years      
MEDICAL OFFICE BUILDINGS | 6380, Seton Williamson Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 428us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 15,502us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,155us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 12,347vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SetonWilliamsonMedicalPlaza6380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6650, 251 Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 31us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,109us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,267us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,363us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,904vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6650251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6651, 253 Medical Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,043us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,279us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,764vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenter6651253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6520, MRMC MOB I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,024us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 307us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,669us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,331us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,000us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,373us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,627vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MrmcMobI6520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
MEDICAL OFFICE BUILDINGS | 3079, Henrico MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 263us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 968us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 6,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,420us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,385us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,035vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HenricoMob3079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
MEDICAL OFFICE BUILDINGS | 6521, St. Mary's MOB North (Floors 6 & 7)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 2,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 196us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,384us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 641us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,743vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StMarysMobNorthFloors676521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
MEDICAL OFFICE BUILDINGS | 6640, Bonney Lake Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 10,943us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 5,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,375us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 156us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,176us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 14,531us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 19,707us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,806us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 17,901vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BonneyLakeMedicalOfficeBuilding6640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6641, Good Samaritan Medical Office Building        
Real Estate and Accumulated Depreciation        
Encumbrances 14,320us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 30,368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition (130)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 30,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 31,019us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 3,042us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 27,977vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoodSamaritanMedicalOfficeBuilding6641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 2957, Holy Family Hospital Central MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 19,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 19,315us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,239us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 18,076vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HolyFamilyHospitalCentralMob2957Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3040, Physician's Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 32,939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 253us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,411us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 33,192us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 34,603us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,842us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 29,761vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhysiciansPavilion3040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3041, Administration Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,856us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 8,152us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,090us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,062vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AdministrationBuilding3041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3042, Medical Center Physician's Building        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 31,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1,626us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,225us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 32,872us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 34,097us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 4,222us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 29,875vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedicalCenterPhysiciansBuilding3042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3043, Memorial MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 215us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 12,814us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 13,504us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 11,727vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MemorialMob3043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3044, Salmon Creek MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,325us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,325us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 10,563us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,267us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 9,296vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalmonCreekMob3044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3045, Fisher's Landing MOB        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 1,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,010us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 896us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,114vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FishersLandingMob3045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
MEDICAL OFFICE BUILDINGS | 3047, Columbia Medical Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 281us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 131us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,397us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,678us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 788us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,890vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaMedicalPlaza3047Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6460, Appleton Heart Institute        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,775us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,776us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,453us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,323vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonHeartInstitute6460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
MEDICAL OFFICE BUILDINGS | 6461, Appleton Medical Offices West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 18us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,774us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,068us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,706vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesWest6461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
MEDICAL OFFICE BUILDINGS | 6462, Appleton Medical Offices South        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 167us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 9,225us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 9,225us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,727us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 7,498vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AppletonMedicalOfficesSouth6462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
MEDICAL OFFICE BUILDINGS | 3030, Brookfield Clinic        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 2,638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 6,731us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 697us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,034vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookfieldClinic3030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3031, Hartland Clinic        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 321us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 321us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,371us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 733us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,638vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandClinic3031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 6463, Theda Clark Medical Center Office Pavilion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 96us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,176us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,176us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,267us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 5,909vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThedaClarkMedicalCenterOfficePavilion6463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
MEDICAL OFFICE BUILDINGS | 6464, Aylward Medical Building Condo Floors 3 & 4        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 4,462us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 4,462us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 807us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 3,655vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AylwardMedicalBuildingCondoFloors3And46464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
MEDICAL OFFICE BUILDINGS | 3032, New Berlin Clinic        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 678us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,121us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 678us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 7,121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 7,799us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,110us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 6,689vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewBerlinClinic3032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3036, WestWood Health & Fitness        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 823us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 823us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 11,649us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 12,472us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,832us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 10,640vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodHealthFitness3036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3033, Watertown Clinic        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 166us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 166us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 3,234us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 3,400us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 453us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 2,947vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WatertownClinic3033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3034, Southside Clinic        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,273us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 5,273us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 5,491us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 748us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 4,743vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthsideClinic3034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
MEDICAL OFFICE BUILDINGS | 3035, Rehabilitation Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Initial Cost to Company        
Land and Improvements 372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,636us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Buildings and Improvements 15,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Total 16,008us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Accumulated Depreciation 1,943us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
NBV 14,065vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationHospital3035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_MedicalOfficeBuildingsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
KINDRED | SKILLED NURSING FACILITIES        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 16,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 162,335us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (380)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 16,064us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 162,335us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 178,399us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 125,821us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 52,578vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
KINDRED | SKILLED NURSING FACILITIES | 0167, Canyonwood Nursing and Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,784us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,185us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,208us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,977vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonwoodNursingAndRehabCenter0167Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
KINDRED | SKILLED NURSING FACILITIES | 0150, The Tunnell Center for Rehabilitation & Heathcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,902us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,531us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,433us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,837us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,596vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TunnellCenterForRehabilitationHealthcare0150Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
KINDRED | SKILLED NURSING FACILITIES | 0335, Lawton Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,457us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 496us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 961vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LawtonHealthcareCenter0335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | SKILLED NURSING FACILITIES | 0148, Village Square Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 766us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,507us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,273us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,838us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,435vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageSquareNursingAndRehabilitationCenter0148Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 42 years      
KINDRED | SKILLED NURSING FACILITIES | 0350, Valley Gardens Health Care & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,921us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,059us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,862vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyGardensHealthCareRehabilitationCenter0350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0745, Aurora Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,328us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,525us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,755us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 770vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AuroraCareCenter0745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | SKILLED NURSING FACILITIES | 0566, Windsor Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,888us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,138us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 750vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorRehabilitationAndHealthcareCenter0566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | SKILLED NURSING FACILITIES | 1228, Lafayette Nursing and Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,623us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,623us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,221us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 6,410us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 811vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LafayetteNursingAndRehabCenter1228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | SKILLED NURSING FACILITIES | 0218, Canyon West Health and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 312us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,362us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 979us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,383vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonWestHealthAndRehabilitationCenter0218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
KINDRED | SKILLED NURSING FACILITIES | 0409, Mountain Valley Care & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 68us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 68us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,348us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,304us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 44vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainValleyCareRehabilitationCenter0409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0221, Lewiston Rehabilitation & Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,115us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,490us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 625vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LewistonRehabilitationCareCenter0221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0225, Aspen Park Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,571us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,571us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,832us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,501us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 331vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AspenParkHealthcare0225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0222, Nampa Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,062us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,700us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 362vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NampaCareCenter0222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0223, Weiser Rehabilitation & Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 157us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,917us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,827us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 90vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WeiserRehabilitationCareCenter0223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0694, Wedgewood Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 119us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,234us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,477us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,757vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WedgewoodHealthcareCenter0694Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
KINDRED | SKILLED NURSING FACILITIES | 0780, Columbus Health and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,817us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,817us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,162us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 6,408us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 754vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbusHealthAndRehabilitationCenter0780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0131, Harrison Health and Rehabilitation Centre        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,193us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,307us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,886vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisonHealthAndRehabilitationCentre0131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
KINDRED | SKILLED NURSING FACILITIES | 0209, Valley View Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 87us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,665us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 87us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,752us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,319us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 433vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyViewHealthCareCenter0209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0213, Wildwood Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 134us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,117us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,306us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 811vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildwoodHealthCareCenter0213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0294, Windsor Estates Health & Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,881us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,379us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,502vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorEstatesHealthRehabCenter0294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
KINDRED | SKILLED NURSING FACILITIES | 0111, Rolling Hills Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 81us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 81us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,894us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,975us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,654us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 321vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHillsHealthCareCenter0111Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0113, Southwood Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,868us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,958us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,491us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 467vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthwoodHealthRehabilitationCenter0113Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0282, Maple Manor Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 59us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 59us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,246us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,621us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 625vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MapleManorHealthCareCenter0282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | SKILLED NURSING FACILITIES | 0585, Great Barrington Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 60us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 60us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,202us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,147us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 55vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreatBarringtonRehabilitationAndNursingCenter0585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | SKILLED NURSING FACILITIES | 0513, Hallmark Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 202us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,896us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,535us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 361vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HallmarkNursingAndRehabilitationCenter0513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
KINDRED | SKILLED NURSING FACILITIES | 0573, Eagle Pond Rehabilitation and Living Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,192us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,991us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,201vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EaglePondRehabilitationAndLivingCenter0573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 50 years      
KINDRED | SKILLED NURSING FACILITIES | 0198, Harrington House Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 4us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,444us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,448us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,384us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,064vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarringtonHouseNursingAndRehabilitationCenter0198Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
KINDRED | SKILLED NURSING FACILITIES | 0433, Parkview Acres Care and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,578us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,785us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,984us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 801vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkviewAcresCareAndRehabilitationCenter0433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0416, Park Place Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,911us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,829us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,082vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlaceHealthCareCenter0416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
KINDRED | SKILLED NURSING FACILITIES | 0146, Rose Manor Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,727us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,167us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 560vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseManorHealthcareCenter0146Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
KINDRED | SKILLED NURSING FACILITIES | 0726, Guardian Care of Elizabeth City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 71us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 71us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 632us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 632us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 0vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfElizabethCity0726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | SKILLED NURSING FACILITIES | 0706, Guardian Care of Henderson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,203us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,530us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 673vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfHenderson0706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0592, Greenbriar Terrace Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 776us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,011us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,011us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,787us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,587us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,200vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenbriarTerraceHealthcare0592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0140, Wasatch Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 597us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 597us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 970us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 603us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 367vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WasatchCareCenter0140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0247, St. George Care and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 419us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 419us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,465us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,884us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,112us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,772vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StGeorgeCareAndRehabilitationCenter0247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0825, Nansemond Pointe Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,990us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,524us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,143us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,381vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NansemondPointeRehabilitationAndHealthcareCenter0825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 32 years      
KINDRED | SKILLED NURSING FACILITIES | 0829, River Pointe Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,210us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,224us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 986vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverPointeRehabilitationAndHealthcareCenter0829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | SKILLED NURSING FACILITIES | 0842, Bay Pointe Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,886us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (380)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,311us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,159us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,152vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayPointeMedicalAndRehabilitationCenter0842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0559, Birchwood Terrace Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 15us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,656us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 15us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,671us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,506us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 165vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchwoodTerraceHealthcare0559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
KINDRED | SKILLED NURSING FACILITIES | 0114, Arden Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,124us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,081us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,043vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArdenRehabilitationAndHealthcareCenter0114Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
KINDRED | SKILLED NURSING FACILITIES | 0168, Lakewood Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,511us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,015us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,268us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,747vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodHealthcareCenter0168Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
KINDRED | SKILLED NURSING FACILITIES | 0180, Vancouver Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 449us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,964us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,413us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,333us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,080vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VancouverHealthRehabilitationCenter0180Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
KINDRED | SKILLED NURSING FACILITIES | 0441, Mountain Towers Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,468us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,810us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,608us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,202vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainTowersHealthcareAndRehabilitationCenter0441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0481, South Central Wyoming Healthcare and Rehabilitation        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,738us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,889us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,326us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 563vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthCentralWyomingHealthcareAndRehabilitation0481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | SKILLED NURSING FACILITIES | 0482, Wind River Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 179us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,559us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,559us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,738us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,168us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 570vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindRiverHealthcareAndRehabilitationCenter0482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
KINDRED | HOSPITALS        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 38,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 272,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 38,172us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 272,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 311,132us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 236,311us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 74,821vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
KINDRED | HOSPITALS | 0277, Rosewood Health Care Center        
Gross Amount Carried at Close of Period        
Total 5,619us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
KINDRED | HOSPITALS | 4656, Kindred Hospital - Arizona - Phoenix        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 226us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,359us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 226us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,359us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,585us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,604us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 981vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalArizonaPhoenix4656Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4658, Kindred Hospital - Tucson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,091us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,221us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,827us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 394vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTucson4658Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4644, Kindred Hospital - Brea        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 3,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,144us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 5,755us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,258us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 4,497vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBrea4644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4807, Kindred Hospital - Ontario        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,988us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,988us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,511us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,759us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 752vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOntario4807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4848, Kindred Hospital - San Diego        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 11,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 11,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 12,434us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 10,940us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,494vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanDiego4848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4822, Kindred Hospital - San Francisco Bay Area        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 2,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,605us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 6,059us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,546vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanFranciscoBayArea4822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4842, Kindred Hospital - Westminster        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 727us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,111us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 7,549us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 562vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalWestminster4842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4665, Kindred Hospital - Denver        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,367us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,367us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 7,263us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 6,664us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 599vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalDenver4665Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4602, Kindred Hospital - South Florida - Coral Gables        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,348us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,348us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 6,419us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 4,724us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,695vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaCoralGables4602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4645, Kindred Hospital - South Florida Ft. Lauderdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 14,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 14,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 15,838us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 13,282us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,556vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaFtLauderdale4645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4652, Kindred Hospital - North Florida        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,613us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 4,758us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 4,247us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 511vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNorthFlorida4652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4876, Kindred Hospital - South Florida - Hollywood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 605us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 605us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 5,834us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 5,220us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 614vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSouthFloridaHollywood4876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4674, Kindred Hospital - Central Tampa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 2,732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,676us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,732us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,676us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 10,408us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 4,760us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 5,648vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalCentralTampa4674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4611, Kindred Hospital - Bay Area St. Petersburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 16,706us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 16,706us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 18,107us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 13,624us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 4,483vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBayAreaStPetersburg4611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4637, Kindred Hospital - Chicago (North Campus)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 19,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 19,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 21,563us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 18,697us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,866vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthCampus4637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4871, Kindred - Chicago - Lakeshore        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,513us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,513us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 11,038us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 9,381us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,657vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredChicagoLakeshore4871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4690, Kindred Hospital - Chicago (Northlake Campus)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 7,348us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 5,609us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,739vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChicagoNorthlakeCampus4690Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4615, Kindred Hospital - Sycamore        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 77us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 8,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 77us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 8,549us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,626us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 7,732us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 894vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSycamore4615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4638, Kindred Hospital - Indianapolis        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 985us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 985us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 3,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 4,786us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 3,243us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,543vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalIndianapolis4638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4633, Kindred Hospital - Louisville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 3,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 12,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 12,279us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 15,320us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 11,776us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 3,544vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLouisville4633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4666, Kindred Hospital - New Orleans        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,971us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 4,330us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,289vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalNewOrleans4666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4688, Kindred Hospital - Boston        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,551us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,551us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 11,347us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 9,003us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,344vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBoston4688Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
KINDRED | HOSPITALS | 4673, Kindred Hospital - Boston North Shore        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 543us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,568us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,111us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 5,418us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,693vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalBostonNorthShore4673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4612, Kindred Hospital - Kansas City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,914us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,914us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,191us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,561us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 630vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalKansasCity4612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4680, Kindred Hospital - St. Louis        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,126us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,213us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,830us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,383vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalStLouis4680Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4662, Kindred Hospital - Greensboro        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,596us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 7,490us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,106vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalGreensboro4662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4664, Kindred Hospital - Albuquerque        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 11us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 11us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,253us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 4,264us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,713us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,551vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalAlbuquerque4664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4647, Kindred Hospital - Las Vegas (Sahara)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,177us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 3,287us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,299us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,988vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalLasVegasSahara4647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4618, Kindred Hospital - Oklahoma City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 293us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,607us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 5,900us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 4,368us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,532vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalOklahomaCity4618Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
KINDRED | HOSPITALS | 4619, Kindred Hospital - Pittsburgh        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 12,854us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 12,854us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 13,516us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 9,398us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 4,118vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPittsburgh4619Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4614, Kindred Hospital - Philadelphia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 5,223us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 5,358us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 3,072us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,286vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalPhiladelphia4614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
KINDRED | HOSPITALS | 4628, Kindred Hospital - Chattanooga        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,415us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,415us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 5,171us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 3,915us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 1,256vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalChattanooga4628Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
KINDRED | HOSPITALS | 4653, Kindred Hospital - Tarrant County (Fort Worth Southwest)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 2,342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,458us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,458us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 9,800us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 7,352us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,448vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalTarrantCountyFortWorthSouthwest4653Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4668, Kindred Hospital - Fort Worth        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 10,608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 10,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 11,256us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 8,506us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 2,750vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalFortWorth4668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
KINDRED | HOSPITALS | 4654, Kindred Hospital (Houston Northwest)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,699us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,487us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 5,238us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 3,249vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHoustonNorthwest4654Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4685, Kindred Hospital - Houston        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 33us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 33us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 7,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 7,095us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 6,575us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 520vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalHouston4685Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 20 years      
KINDRED | HOSPITALS | 4660, Kindred Hospital - Mansfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 2,462us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 2,729us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,843us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 886vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalMansfield4660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
KINDRED | HOSPITALS | 4635, Kindred Hospital - San Antonio        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 11,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 11,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 11,662us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 8,445us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 3,217vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_KindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KindredHospitalSanAntonio4635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 236,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,398,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 35,259us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 236,131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,433,261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,669,392us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 575,467us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,093,925vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NON-KINDRED | SKILLED NURSING FACILITIES | 0853, Kachina Point Health Care and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 364us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,179us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 197us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,376us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,740us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,214us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,526vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KachinaPointHealthCareAndRehabilitationCenter0853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0851, Villa Campana Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 533us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 395us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 533us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,596us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,129us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,584us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,545vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaCampanaHealthCareCenter0851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0738, Bay View Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 282us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,462us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,263us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,725us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,862us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,863vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BayViewNursingAndRehabilitationCenter0738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0873, Brighton Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,377us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 468us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,127us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,741us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,386vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrightonCareCenter0873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0744, Cherry Hills Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 241us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 194us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,374us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,615us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,724us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 891vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CherryHillsHealthCareCenter0744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0859, Malley Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 501us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 243us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,038us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 6,182us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,856vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MalleyHealthcareAndRehabilitationCenter0859Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0568, Parkway Pavilion Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 203us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,147us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,077us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,070vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwayPavilionHealthcare0568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0563, The Crossings West Campus        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 129us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 202us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,694us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,877us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 817vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsWestCampus0563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0567, The Crossings East Campus        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,776us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 263us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,039us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,440us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,371us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,069vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsEastCampus0567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0645, Specialty Care of Marietta        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 241us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 377us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,400us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,269us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,131vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpecialtyCareOfMarietta0645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0155, Savannah Rehabilitation & Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 345us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 213us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,330us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,192us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,138vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahRehabilitationNursingCenter0155Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0660, Savannah Specialty Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 157us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 228us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,604us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,023us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 581vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SavannahSpecialtyCareCenter0660Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0216, Boise Health and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 281us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,874us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,130us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,677us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,453vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoiseHealthAndRehabilitationCenter0216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0269, Meadowvale Health and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 7us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 787us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 576us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,370us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 689us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 681vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowvaleHealthAndRehabilitationCenter0269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0290, Bremen Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 109us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 548us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 109us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,011us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,256us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,755vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BremenHealthCareCenter0290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0407, Parkwood Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 121us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,291us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,803us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,924us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,003us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,921vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkwoodHealthCareCenter0407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0406, Muncie Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,259us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,569us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,786us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,783vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MuncieHealthRehabilitationCenter0406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0112, Royal Oaks Health Care and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 418us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,209us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 428us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,978us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,406us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,869us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,537vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoyalOaksHealthCareAndRehabilitationCenter0112Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0277, Rosewood Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,371us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 496us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,867us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,115us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,434us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,681vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodHealthCareCenter0277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0281, Riverside Manor Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 184us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,303us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,406us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,772us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 634vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiversideManorHealthcareCenter0281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0278, Oakview Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,882us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,005us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,887us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,011us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,552vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakviewNursingAndRehabilitationCenter0278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0782, Danville Centre for Health and Rehabilitation        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 536us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,396us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,574us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,822vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DanvilleCentreForHealthAndRehabilitation0782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0787, Woodland Terrace Health Care Facility        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 315us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,326us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,938us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 388vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodlandTerraceHealthCareFacility0787Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 26 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0864, Harrodsburg Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 642us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 137us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,472us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,609us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,694us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 915vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrodsburgHealthCareCenter0864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0784, Northfield Centre for Health and Rehabilitation        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 285us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,555us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 692us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 285us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,247us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,532us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,491us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,041vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthfieldCentreForHealthAndRehabilitation0784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0785, Hillcrest Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 993us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,612us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,156us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,782us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,374vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillcrestHealthCareCenter0785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 22 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0280, Fountain Circle Health and Rehabilitation        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,055us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 137us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,175us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,312us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,123us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,189vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainCircleHealthAndRehabilitation0280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0582, Colony House Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 194us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,325us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,153us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 172vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyHouseNursingAndRehabilitationCenter0582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0581, Blueberry Hill Skilled Nursing & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 571us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,990us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,462us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,528vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueberryHillSkilledNursingRehabilitationCenter0581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0588, Walden Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,347us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 178us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,706us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,403us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 303vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaldenRehabilitationAndNursingCenter0588Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0514, Sachem Skilled Nursing & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 529us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 232us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,999us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,655us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 344vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SachemSkilledNursingRehabilitationCenter0514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0508, Crawford Skilled Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,109us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 312us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,421us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,548us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,144us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 404vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrawfordSkilledNursingAndRehabilitationCenter0508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0584, Franklin Skilled Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 158us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 156us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,071us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 815us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 256vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinSkilledNursingAndRehabilitationCenter0584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0587, River Terrace Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 147us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 268us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,144us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 228vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverTerraceHealthcare0587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0529, Bolton Manor Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 228us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 222us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,881us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,247us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 634vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BoltonManorNursingAndRehabilitationCenter0529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 34 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0526, The Eliot Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,328us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,807us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,452us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 355vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EliotHealthcareCenter0526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0503, Brigham Manor Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 126us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,968us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,665us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 303vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrighamManorNursingAndRehabilitationCenter0503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0507, Country Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,004us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 378us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 199us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,581us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,965us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 616vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryRehabilitationAndNursingCenter0507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0537, Quincy Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 204us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,331us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,854us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 477vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QuincyRehabilitationAndNursingCenter0537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 24 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0542, Den-Mar Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 23us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 187us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 23us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,770us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,547us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 223vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DenMarRehabilitationAndNursingCenter0542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0501, Blue Hills Alzheimer's Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,026us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 175us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 511us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,712us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,425us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 287vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BlueHillsAlzheimersCareCenter0501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0534, Country Gardens Skilled Nursing & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 415us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 180us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 415us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,270us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,590us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 680vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountryGardensSkilledNursingRehabilitationCenter0534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 27 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0517, Brookside Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 102us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 173us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 102us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,429us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,193us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 236vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrooksideRehabilitationAndNursingCenter0517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 31 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0539, Newton and Wellesley Alzheimer Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 172us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,719us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,970us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 749vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewtonAndWellesleyAlzheimerCenter0539Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0544, Augusta Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 146us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,120us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 252vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaRehabilitationCenter0544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0545, Eastside Rehabilitation and Living Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,483us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,799us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,354us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 445vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastsideRehabilitationAndLivingCenter0545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0546, Winship Green Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 128us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,693us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,320us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 373vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinshipGreenNursingCenter0546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0547, Brewer Rehabilitation and Living Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 304us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 228us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,269us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,407us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 862vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrewerRehabilitationAndLivingCenter0547Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 33 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0549, Kennebunk Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 99us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 161us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 99us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,158us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,601us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 557vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennebunkNursingAndRehabilitationCenter0549Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0550, Norway Rehabilitation & Living Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 118us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,909us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,376us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 533vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorwayRehabilitationLivingCenter0550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 39 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0555, Brentwood Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,789us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 146us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,935us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,116us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,347us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 769vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrentwoodRehabilitationAndNursingCenter0555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0806, Chapel Hill Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 347us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,029us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 450us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 347us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,479us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,826us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,478us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,348vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelHillRehabilitationAndHealthcareCenter0806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0116, Pettigrew Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,889us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 223us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,213us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,345us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 868vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PettigrewRehabilitationAndHealthcareCenter0116Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0724, Rehabilitation and Health Center of Gastonia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,359us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 450us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,809us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,967us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,969us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 998vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndHealthCenterOfGastonia0724Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0711, Kinston Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,038us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 502us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 186us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,726us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,342us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,384vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KinstonRehabilitationAndHealthcareCenter0711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0307, Lincoln Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 39us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 197us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 39us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,506us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,545us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,746us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 799vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LincolnNursingCenter0307Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0707, Rehabilitation and Nursing Center of Monroe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,654us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 368us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,022us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,207us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,187us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,020vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RehabilitationAndNursingCenterOfMonroe0707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0137, Sunnybrook Healthcare and Rehabilitation Specialists        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 360us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,769us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,956us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,244us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 712vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnybrookHealthcareAndRehabilitationSpecialists0137Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0143, Raleigh Rehabilitation & Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 581us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,367us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,182us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,185vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RaleighRehabilitationHealthcareCenter0143Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0704, Guardian Care of Roanoke Rapids        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 550us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 339us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,682us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,021us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,898us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,123vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRoanokeRapids0704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0723, Guardian Care of Rocky Mount        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 302us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,034us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,274us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,573us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 701vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfRockyMount0723Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0188, Cypress Pointe Rehabilitation and Health Care Centre        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 258us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,968us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,201us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,013us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,188vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressPointeRehabilitationAndHealthCareCentre0188Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0191, Silas Creek Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,893us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 408us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 211us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,512us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,520us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 992vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilasCreekManor0191Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0713, Guardian Care of Zebulon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 179us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,933us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 150us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,083us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,262us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,507us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 755vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GuardianCareOfZebulon0713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0591, Dover Rehabilitation and Living Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,797us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 217us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 355us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,369us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,840us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 529vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DoverRehabilitationAndLivingCenter0591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0593, Hanover Terrace Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 252us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,403us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,415us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 988vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HanoverTerraceHealthcare0593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0640, Las Vegas Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 187us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,659us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 746us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 913vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVegasHealthcareAndRehabilitationCenter0640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0641, Torrey Pines Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 270us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,850us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,203us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 647vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TorreyPinesCareCenter0641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2226, Hearthstone of Northern Nevada        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,365us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,365us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,765us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,210us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,555vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthstoneofNorthernNevada2226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0634, Cambridge Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,642us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 199us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,949us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,336us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 613vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHealthRehabilitationCenter0634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0572, Winchester Place Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,149us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 283us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,886us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 6,015us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,871vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlaceNursingAndRehabilitationCenter0572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0569, Chillicothe Nursing & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,481us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 313us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,922us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,114us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 808vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChillicotheNursingRehabilitationCenter0569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0560, Franklin Woods Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,712us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 202us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,914us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,104us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,890us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,214vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FranklinWoodsNursingAndRehabilitationCenter0560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 38 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0577, Minerva Park Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,684us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 354us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,038us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,248us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,744us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,504vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MinervaParkNursingAndRehabilitationCenter0577Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0635, Coshocton Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,979us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 326us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,508us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,778us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 730vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CoshoctonHealthRehabilitationCenter0635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0868, Lebanon Country Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 105us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 140us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 105us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,757us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,862us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,565us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,297vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LebanonCountryManor0868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 43 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0571, Logan Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 271us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,190us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,996us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,194vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganHealthCareCenter0571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0570, Pickerington Nursing & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 349us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 312us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,043us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,754us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,289vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PickeringtonNursingRehabilitationCenter0570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 37 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0453, Medford Rehabilitation and Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 362us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 222us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 362us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,832us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,194us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,687us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,507vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MedfordRehabilitationAndHealthcareCenter0453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 34 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0452, Sunnyside Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 217us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,466us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,978us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,597us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,381vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunnysideCareCenter0452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1237, Wyomissing Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 272us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,367us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,428us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,439us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,989vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyomissingNursingAndRehabilitationCenter1237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1231, Oak Hill Nursing and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 91us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 335us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 91us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,150us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,248us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,902vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillNursingAndRehabilitationCenter1231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 45 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0884, Masters Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 390us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,284us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,410us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,874vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MastersHealthCareCenter0884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 38 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0132, Madison Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 269us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,882us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,219us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 663vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MadisonHealthcareAndRehabilitationCenter0132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0822, Primacy Healthcare and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,344us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 294us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,222us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,860us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,852us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,008vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimacyHealthcareAndRehabilitationCenter0822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 37 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0655, Federal Heights Rehabilitation and Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 247us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,770us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,939us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 831vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FederalHeightsRehabilitationAndNursingCenter0655Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0230, Crosslands Rehabilitation & Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 275us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 334us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,575us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,909us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,666us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,243vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrosslandsRehabilitationHealthcareCenter0230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0826, Harbour Pointe Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,033us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 427us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,474us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,901us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,698us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,203vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarbourPointeMedicalAndRehabilitationCenter0826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0158, Bellingham Health Care and Rehabilitation Services        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,824us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 153us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 441us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,977us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,418us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,023us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,395vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellinghamHealthCareAndRehabilitationServices0158Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years 6 months      
NON-KINDRED | SKILLED NURSING FACILITIES | 0127, Northwest Continuum Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 171us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,734us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,879us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,031us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 848vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthwestContinuumCareCenter0127Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0165, Rainier Vista Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 305us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,605us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,819us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,786vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RainierVistaCareCenter0165Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 40 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0462, Queen Anne Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 228us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,978us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,548us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,267us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,281vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenAnneHealthcare0462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0765, Eastview Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,047us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 236us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,283us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,483us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,727us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 756vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EastviewMedicalAndRehabilitationCenter0765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0767, Colony Oaks Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 353us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,571us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 280us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,204us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,994us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,210vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonyOaksCareCenter0767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0773, Mount Carmel Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 299us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,778us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,122us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,656vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountCarmelMedicalAndRehabilitationCenter0773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0289, San Luis Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 259us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,299us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 224us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 259us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,782us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,582us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,200vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanLuisMedicalAndRehabilitationCenter0289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0775, Sheridan Medical Complex        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,326us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,542us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 784vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheridanMedicalComplex0775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0776, Woodstock Health and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 562us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 331us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,317us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 7,096us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,221vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodstockHealthAndRehabilitationCenter0776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0769, North Ridge Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,785us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 147us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,932us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,138us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,066us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,072vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthRidgeMedicalAndRehabilitationCenter0769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0770, Vallhaven Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 368us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,830us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,201us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,629vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VallhavenCareCenter0770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0771, Kennedy Park Medical & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,596us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 399us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,995us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,296us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,748us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 548vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KennedyParkMedicalRehabilitationCenter0771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0766, Colonial Manor Medical and Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 183us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,553us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,722us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,419us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,303vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialManorMedicalAndRehabilitationCenter0766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0791, Whitesburg Gardens Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 328us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,078us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,025us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,053vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitesburgGardensHealthCareCenter0791Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0824, Azalea Gardens Of Mobile        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 5us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 319us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,305us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,426us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 879vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaGardensOfMobile0824Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 29 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 0483, Sage View Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 158us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 287us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,837us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,903us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 934vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SageViewCareCenter0483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7562, Saline Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 18us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 14,208us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,581us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,627vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SalineNursingCenter7562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7565, Regional Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,455us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,935us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,462us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,473vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegionalNursingCenter7565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3786, Beverly Health Care Golflinks        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,811us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,387us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,424vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthCareGolflinks3786Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7566, Lakewood Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 23us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,617us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,177us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,071us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,106vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodRehabCenter7566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7560, Countrywood Estates        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,542us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,542us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,802us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,121us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,681vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CountrywoodEstates7560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7561, Riverview Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,716us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,111us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,605vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewManor7561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7564, Brookridge Life Care & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,069us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 4us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,073us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,483us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,323us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,160vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookridgeLifeCareRehab7564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7563, Wynwood Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,054us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,251us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,803vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodNursingCenter7563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3765, Chowchilla Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,097us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,097us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,877us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 634us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,243vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChowchillaConvalescentCenter3765Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7140, Driftwood Gilroy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 3,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,665us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,995us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,638us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,357vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DriftwoodGilroy7140Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7390, Orange Hills Convalescent Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 20,968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 20,968us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 21,928us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,369us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 19,559vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OrangeHillsConvalescentHospital7390Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3779, Beverly Health - Ft. Pierce        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 840us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,318us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,158us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,939us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,219vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeverlyHealthFtPierce3779Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7551, Willowwood Health & Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,349us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,100us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,249vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowwoodHealthRehabCenter7551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2437, Westbury        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,000us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,128us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,872vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westbury2437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1568, Rolling Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,310us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 864us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,446vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RollingHills1568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1554, Chalet Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,654us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,654us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 320us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,924vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChaletVillage1554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1565, Vermillion Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,757us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,328us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,429vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VermillionConvalescentCenter1565Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1560, Willow Crossing        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,843us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 672us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,171vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowCrossing1560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1555, Willowbend Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,026us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,026us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,106us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 524us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,582vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowbendNursingCenter1555Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1567, Greenhill Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,039us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 896us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,143vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenhillManor1567Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1556, Twin City Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,012us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,362us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 433us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,929vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TwinCityHealthcare1556Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1566, Hanover        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,903us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,973us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 641us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,332vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hanover1566Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1561, AmeriCare of Hartford City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,325us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 337us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,988vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfHartfordCity1561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1562, Oakbrook Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,550us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 303us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,247vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakbrookVillage1562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1552, Lakeview Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,927us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,780us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,927us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,707us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,128us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,579vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewManor1552Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1569, Wintersong        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,019us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,439us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 291us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,148vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wintersong1569Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1571, Magnolia Woodland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,757us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,097us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 571us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,526vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWoodland1571Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1570, Monticello        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,461us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,921us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,001us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,920vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Monticello1570Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3767, Petersburg Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,443us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,753us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,025us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,728vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PetersburgHealthCareCenter3767Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1563, AmeriCare of Portland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,597us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,597us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,997us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,163us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,834vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfPortland1563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3766, Oakridge Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,768us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,355us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,413vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakridgeConvalescentCenter3766Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1557, Liberty Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,542us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,542us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,062us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 931us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,131vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibertyVillage1557Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1553, Westridge Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,074us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 675us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,399vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestridgeHealthcareCenter1553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1572, Magnolia Washington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,054us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,054us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,274us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,240us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,034vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaWashington1572Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1558, Americare of Winchester        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,039us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,769us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 722us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,047vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmericareOfWinchester1558Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7343, Belleville Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,760us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 558us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,202vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellevilleHealthCareCenter7343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7350, Smokey Hill Rehab Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,705us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,065us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 575us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,490vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SmokeyHillRehabCenter7350Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7348, Westwood Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,985us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 486us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,499vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodManor7348Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7152, Infinia at Wichita        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,415us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,476us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,939vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtWichita7152Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3835, Jackson Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,442us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,442us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,573us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,036us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,537vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JacksonManor3835Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3830, Colonial Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,867us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 660us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,207vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColonialHealthRehabilitationCenter3830Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3832, Green Valley Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 29us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,325us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 29us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,325us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,354us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 542us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,812vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenValleyHealthRehabilitationCenter3832Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3845, Summit Manor Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,548us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,919us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,629vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitManorHealthRehabilitationCenter3845Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3831, Glasgow Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 21us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 21us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,018us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 699us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,319vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlasgowHealthRehabilitationCenter3831Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3841, Professional Care Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,905us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,905us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,927us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,844us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,083vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ProfessionalCareHealthRehabilitationCenter3841Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3833, Hart County Health Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 68us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,059us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 68us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,127us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,414us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,713vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartCountyHealthCenter3833Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3834, Heritage Hall Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,958us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 915us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,043vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageHallHealthRehabilitationCenter3834Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3844, Tanbark Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,061us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 868us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,929us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,414us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,515vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TanbarkHealthRehabilitationCenter3844Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3836, Jefferson Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 951us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonManor3836Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3837, Jefferson Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,307us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,307us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,175us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,482us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,141us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,341vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JeffersonPlace3837Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3838, Meadowview Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,983us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,089us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,894vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowviewHealthRehabilitationCenter3838Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3842, Rockford Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 364us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,568us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,932us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,233us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,699vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RockfordHealthRehabilitationCenter3842Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3843, Summerfield Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,845us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,510us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,335vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerfieldHealthRehabilitationCenter3843Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3829, McCreary Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 73us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 73us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,443us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,516us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 570us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,946vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MccrearyHealthRehabilitationCenter3829Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3840, North Hardin Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,944us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,944us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,162us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,787us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,375vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthHardinHealthRehabilitationCenter3840Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3839, Monroe Health & Rehabilitation Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 32us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 32us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,788us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,043us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,745vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MonroeHealthRehabilitationCenter3839Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1730, Wingate at Andover        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,798us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,248us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,803us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 14,445vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtAndover1730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1731, Wingate at Brighton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,453us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,026us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,427vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtBrighton1731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1745, Chestnut Hill Rehab & Nursing        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 3,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,392us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,442us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 806us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,636vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChestnutHillRehabNursing1745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1747, Wingate at Haverhill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,288us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,098us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,238us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,860vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtHaverhill1747Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1737, Skilled Care Center at Silver Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 3,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 23,100us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,610us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 20,490vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkilledCareCenterAtSilverLake1737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1739, Wentworth Skilled Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,040us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,352us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,688vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WentworthSkilledCareCenter1739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1732, Wingate at Needham        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,236us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,236us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,156us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,234us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,922vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtNeedham1732Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1733, Wingate at Reading        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,419us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,016us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,403vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtReading1733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1736, Wingate at South Hadley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,572us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,442us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,864us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,578vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSouthHadley1736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1746, Ring East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 14,811us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,697us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,114vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RingEast1746Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1734, Wingate at Sudbury        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,640us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,158us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,482vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSudbury1734Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1744, Riverdale Gardens Rehab & Nursing        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 107us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,178us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,066vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverdaleGardensRehabNursing1744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1735, Wingate at Wilbraham        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 4,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,777us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 14,847us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,411us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,436vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtWilbraham1735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1740, Worcester Skilled Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,958us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,578us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,119vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WorcesterSkilledCareCenter1740Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3774, Cumberland Villa Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 23,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 23,970us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 24,630us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,667us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 21,963vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CumberlandVillaNursingCenter3774Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3773, Colton Villa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,973us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 18,523us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,011us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 16,512vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColtonVilla3773Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3775, Westminster Nursing & Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 18,091us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,886us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 16,205vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterNursingConvalescentCenter3775Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7586, Autumn Woods Residential Health Care Facility        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 26,015us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 26,015us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 27,510us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,292us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 25,218vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnWoodsResidentialHealthCareFacility7586Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3784, Hopkins Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 4,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 21,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 21,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 25,879us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,442us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 23,437vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HopkinsHealthcare3784Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7005, Andrew Care Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 3,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 243us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,606us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,043us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,563vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AndrewCareHome7005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3764, Golden Living Center - Rochester East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 639us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,497us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,136us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,561us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 575vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GoldenLivingCenterRochesterEast3764Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 28 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7250, Ashland Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,170us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 555us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,615vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AshlandHealthcare7250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7257, South Hampton Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,279us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,989us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,320us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,669vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthHamptonPlace7257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7253, Dixon Nursing & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,912us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 449us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,463vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DixonNursingRehab7253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7252, Current River Nursing        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,153us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 992us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,161vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CurrentRiverNursing7252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7254, Forsyth Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,731us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,441us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 902us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,539vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythCareCenter7254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3785, Maryville Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,825us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,455us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 790us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,665vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MaryvilleHealthCareCenter3785Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7255, Glenwood Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,737us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,407us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 488us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,919vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenwoodHealthcare7255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7256, Silex Community Care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,689us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,419us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 387us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilexCommunityCare7256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7251, Bellefontaine Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,314us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,314us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,924us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 631us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BellefontaineGardens7251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2227, Gravios Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,582us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 301us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,443us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,394us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,049vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GraviosNursingCenter2227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7258, Strafford Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,921us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 980us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,941vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StraffordCareCenter7258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7259, Windsor Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,855us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 449us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,406vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHealthcare7259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3770, Lakewood Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,369us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,039us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,330vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodManor3770Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2505, Lopatcong Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,336us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,826us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,855us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,971vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LopatcongCenter2505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1742, Wingate at St. Francis        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 20,015us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,174us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,841vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtStFrancis1742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7583, Garden Gate        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,643us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 30us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,673us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,433us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,931us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 14,502vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenGate7583Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7581, Brookhaven        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 25,840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 30us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 25,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 26,970us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,897us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 24,073vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brookhaven7581Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1741, Wingate at Dutchess        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,685us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 20,985us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,338us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 18,647vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtDutchess1741Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7580, Autumn View        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 24,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 34us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 24,721us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 25,911us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,902us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 23,009vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AutumnView7580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1743, Wingate at Ulster        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,223us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 19,723us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,083us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,640vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtUlster1743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7584, North Gate        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 40us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 15,851us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,870us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,981vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NorthGate7584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7585, Seneca        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 14,896us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,654us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,242vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Seneca7585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7582, Harris Hill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 33,574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 33us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 33,607us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 34,847us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,744us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 31,103vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarrisHill7582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2702, Burlington House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 918us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,010us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,097us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,015us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,752us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,263vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonHouse2702Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2701, Regency Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 606us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 401us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,825us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,431us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 11,275us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,156vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyManor2701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7451, Rosewood Manor (OH)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (1,463)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,401us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 611us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,790vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorOh7451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3920, Marietta Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 75us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,341us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 3,499us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,922us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 577vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MariettaConvalescentCenter3920Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 25 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7453, Horizon Village (Gillette's)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (3,182)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,055us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,114us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 4,566us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,548vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HorizonVillageGillettes7453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7452, Whispering Pines Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (1,120)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,830us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,361us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,469vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingPinesHealthcareCenter7452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1510, Avamere Rehab of Coos Bay        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,394us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,314us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 464us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,850vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfCoosBay1510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1502, Avamere Riverpark of Eugene        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,622us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,622us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 19,582us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,012us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,570vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRiverparkOfEugene1502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1509, Avamere Rehab of Eugene        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,257us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,337us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 904us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,433vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfEugene1509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1513, Avamere Rehab of Clackamas        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,844us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,844us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,664us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 507us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,157vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfClackamas1513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1507, Avamere Rehab of Hillsboro        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,628us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,018us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,056us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,962vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfHillsboro1507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1508, Avamere Rehab of Junction City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,173us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 671us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,502vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfJunctionCity1508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1506, Avamere Rehab of King City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,936us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,249us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,687vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfKingCity1506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1504, Avamere Rehab of Lebanon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,954us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,954us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,934us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,470us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,464vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereRehabOfLebanon1504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1528, Newport Rehabilitation & Specialty Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 813us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,613us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 488us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,125vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NewportRehabilitationSpecialtyCareCenter1528Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1529, Mountain View        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,887us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 560us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,327vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainView1529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1505, Avamere Crestview of Portland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 15,552us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,613us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,939vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCrestviewOfPortland1505Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1511, Avamere Twin Oaks of Sweet Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,536us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,826us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 541us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,285vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereTwinOaksOfSweetHome1511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3852, Balanced Care at Bloomsburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 621us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,371us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 621us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,371us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 1,992us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 320us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 1,672vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BalancedCareAtBloomsburg3852Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2507, The Belvedere        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 822us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,025us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,823us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,202vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Belvedere2507Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2228, Mountain View Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,817us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 223us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,620us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,563us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,057vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainViewNursingHome2228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2509, Pennsburg Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,871us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,091us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,871us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,962us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,146us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,816vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PennsburgManor2509Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2508, Chapel Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,595us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,358us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,935us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 5,960us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,975vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelManor2508Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2506, Wayne Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 850us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,722us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,384us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,168us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,216vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WayneCenter2506Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7176, Epic- Bayview        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 15,201us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,773us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,428vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicBayview7176Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7170, Dundee Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,693us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,013us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,076us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,937vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DundeeNursingHome7170Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7175, Epic-Conway        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,970us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,042us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,928vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EpicConway7175Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7171, Mt. Pleasant Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,889us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,158us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,731vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MtPleasantNursingCenter7171Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7380, Firesteel        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,050us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,824us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 14,226vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Firesteel7380Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7381, Fountain Springs Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 28,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 28,647us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 29,587us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 3,078us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 26,509vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FountainSpringsHealthcareCenter7381Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7550, Brookewood Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,617us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,087us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 625us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,462vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookewoodHealthCareCenter7550Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7172, Tri-State Comp Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,035us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,364us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,671vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TriStateCompCareCenter7172Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1661, Green Acres - Baytown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,594us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,070us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,524vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresBaytown1661Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1662, Allenbrook Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,304us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,304us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,774us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,345us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,429vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AllenbrookHealthcare1662Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7603, Summer Place Nursing and Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,934us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,094us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,872us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,222vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummerPlaceNursingAndRehab7603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1664, Green Acres - Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,646us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 714us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,932vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresCenter1664Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1676, Regency Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,711us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,711us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,091us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,093us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,998vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyNursingHome1676Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7270, Park Manor - Conroe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 22,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 22,318us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 23,628us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,463us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 21,165vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorConroe7270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7601, Trisun Care Center Westwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,624us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,624us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,064us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,038us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,026vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterWestwood7601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7602, Trisun Care Center River Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,695us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,585us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 988us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,597vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterRiverRidge7602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7606, Heritage Oaks West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 15,806us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,316us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,848us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 14,468vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksWest7606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7531, Park Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,484us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,484us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 15,564us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,736us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,828vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManor7531Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7510, Hill Country Care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 16us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,973us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,729us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 521us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,208vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HillCountryCare7510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7609, Sandstone Ranch        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,396us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,396us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,976us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,492us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,484vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SandstoneRanch7609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7511, Pecan Tree Rehab & Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,929us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,378us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,551vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PecanTreeRehabHealthcare7511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1679, Pleasant Valley Health & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,423us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,198us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,225vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PleasantValleyHealthRehab1679Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1674, Upshur Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,126us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,896us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,019us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,877vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UpshurManor1674Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1667, Beechnut Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,110us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,474us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,636vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeechnutManor1667Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7271, Park Manor - Cypress Station        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,542us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 19,542us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 20,992us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,196us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 18,796vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCypressStation7271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7274, Park Manor of Westchase        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,715us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 19,475us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,917us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,558vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfWestchase7274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7275, Park Manor - Cyfair        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,720us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,717us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,437us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,697us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 14,740vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorCyfair7275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1666, Green Acres - Humble        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,060us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,738us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,798us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 900us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,898vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHumble1666Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7272, Park Manor - Humble        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,257us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 18,907us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,968us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 16,939vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorHumble7272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1663, Green Acres - Huntsville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,568us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,858us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 414us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,444vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreenAcresHuntsville1663Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7512, Legend Oaks Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,639us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,399us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,184us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,215vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcare7512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7534, Avalon Kirbyville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,713us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,713us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 7,973us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 980us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,993vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonKirbyville7534Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1678, Millbrook Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,230us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,011us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,219vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MillbrookHealthcare1678Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1668, Nexion Health at Linden        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,175us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 562us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,613vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtLinden1668Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7535, SWLTC Marshall Conroe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,903us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,272us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,631vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SwltcMarshallConroe7535Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1677, McKinney Healthcare & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,795us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,297us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 10,498vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MckinneyHealthcareRehab1677Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7650, Homestead of McKinney        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (2,345)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,704us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 10,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,116us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,128vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomesteadOfMckinney7650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7514, Midland Nursing Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,841us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,538us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,303vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MidlandNursingCenter7514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7273, Park Manor of Quail Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 18,761us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,926us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 16,835vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkManorOfQuailValley7273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1672, Nexion Health at Mt. Pleasant        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,570us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 735us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,835vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtMtPleasant1672Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7604, The Meadows Nursing and Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,777us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,157us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,321us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,836vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsNursingAndRehab7604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7607, Cypress Glen Nursing and Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 15,482us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,749us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 13,733vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenNursingAndRehab7607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7608, Cypress Glen East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,153us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,293us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,860vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CypressGlenEast7608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7600, Trisun Care Center Coastal Palms        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,548us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,938us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,037us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,901vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrisunCareCenterCoastalPalms7600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7513, Legend Oaks Healthcare San Angelo        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,152us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,467us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LegendOaksHealthcareSanAngelo7513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2472, Parklane West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 11,012us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,283us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 9,729vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParklaneWest2472Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7530, San Pedro Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition (2,768)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,470us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,132us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,338vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanPedroManor7530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1670, Nexion Health at Sherman        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,636us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,886us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 875us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 6,011vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NexionHealthAtSherman1670Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7532, Avalon Trinity        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 9,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,743us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,156us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,587vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonTrinity7532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1673, Renfro Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,602us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,112us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,033us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,079vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RenfroNursingHome1673Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7533, Avalon Wharton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,107us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,377us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 729us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,648vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvalonWharton7533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7153, Infinia at Granite Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,247us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 700us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,687us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 404us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,283vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InfiniaAtGraniteHills7153Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3769, Sleepy Hollow Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 7,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,562us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 20,772us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,801us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 18,971vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SleepyHollowManor3769Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3768, The Cedars Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 10,763us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,573us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,362us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,211vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CedarsNursingHome3768Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7173, Avis Adams        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 15us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,127us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 980us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,147vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvisAdams7173Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3771, Walnut Hill Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,597us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 11,597us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 12,527us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,378us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,149vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WalnutHillConvalescentCenter3771Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3772, Battlefield Park Convalescent Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,499us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,467us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 12,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BattlefieldParkConvalescentCenter3772Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1501, St. Francis of Bellingham        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 23,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 23,581us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 25,321us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,598us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 22,723vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StFrancisOfBellingham1501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7201, Evergreen North Cascades        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 7,554us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 8,774us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,029us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 7,745vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EvergreenNorthCascades7201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3924, Everett Rehabilitation & Care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 27,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 27,337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 30,087us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,978us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 27,109vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EverettRehabilitationCare3924Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3921, SunRise Care & Rehab Moses Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 17,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 18,099us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,964us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 16,135vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabMosesLake3921Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3922, SunRise Care & Rehab Lake Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,866us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,526us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,046us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,480vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseCareRehabLakeRidge3922Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1500, Richmond Beach Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 2,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 231us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 19,360us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,921us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,439vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RichmondBeachRehab1500Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1503, Avamere Olympic Rehab of Sequim        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,486us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,935us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,551vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereOlympicRehabOfSequim1503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7200, Shelton Nursing Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 8,570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 9,080us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,013us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 8,067vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SheltonNursingHome7200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1512, Avamere Heritage Rehab of Tacoma        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,376us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 635us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,741vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereHeritageRehabOfTacoma1512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 1515, Avamere Skilled Nursing Tacoma        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,050us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 3,594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 4,914us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 370us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 4,544vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereSkilledNursingTacoma1515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7360, Cascade Park Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,854us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 14,854us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 16,714us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,670us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,044vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeParkCareCenter7360Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7470, Chilton Health and Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,114us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 6,114us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,554us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,932us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 3,622vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChiltonHealthAndRehab7470Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3781, Florence Villa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 5,631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 5,971us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 719us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,252vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlorenceVilla3781Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3780, Western Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,882us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 4,882us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 6,192us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 716us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 5,476vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WesternVillage3780Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3783, Greendale Health & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 1,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,821us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 325us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,496vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreendaleHealthRehab3783Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3782, South Shore Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 2,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 2,930us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 309us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 2,621vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthShoreManor3782Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 7240, Waukesha Springs (Westmoreland)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 1,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 16,205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 17,585us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,072us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 15,513vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WaukeshaSpringsWestmoreland7240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 3776, Wisconsin Dells Health & Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,994us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 18,994us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 19,724us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,086us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 17,638vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WisconsinDellsHealthRehab3776Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2513, Logan Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,259us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,426us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,833vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LoganCenter2513Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2514, Ravenswood Healthcare Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 12,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,030us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,402us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,628vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RavenswoodHealthcareCenter2514Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2512, Valley Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 24,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 24,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 24,865us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 2,690us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 22,175vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValleyCenter2512Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | SKILLED NURSING FACILITIES | 2515, White Sulphur        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,055us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Buildings and Improvements 13,055us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Total 13,305us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Accumulated Depreciation 1,450us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
NBV 11,855vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteSulphur2515Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SkilledNursingFacilitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 17,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 155,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 8,500us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 17,680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 164,334us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 182,014us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 19,232us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 162,782vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NON-KINDRED | HOSPITALS | 7280, Southern Arizone Rehab        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 25,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 25,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 26,359us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,673us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 23,686vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SouthernArizoneRehab7280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 7403, HealthBridge Children's Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 9,317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 10,647us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,002us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 9,645vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthbridgeChildrensHospital7403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 7281, HealthSouth Rehabilitation Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 25,248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 25,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 28,058us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,688us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 25,370vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HealthsouthRehabilitationHospital7281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 3828, Gateway Rehabilitation Hospital at Florence        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 3,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,924us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 4,924us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 8,524us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 1,149us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 7,375vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GatewayRehabilitationHospitalAtFlorence3828Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 2725, University Hospitals Rehabilitation Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 16,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 16,444us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 18,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 827us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 17,417vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UniversityHospitalsRehabilitationHospital2725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 7400, The Ranch/Touchstone        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 2,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 28,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 8,500us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 36,928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 39,638us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 2,999us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 36,639vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchTouchstone7400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 3864, Highlands Regional Rehabilitation Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 23,616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 23,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 25,516us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 5,510us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 20,006vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandsRegionalRehabilitationHospital3864Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 7401, Houston Children's Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 15,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 15,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 17,570us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation   1,676us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
   
NBV 15,894vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HoustonChildrensHospital7401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
NON-KINDRED | HOSPITALS | 7402, Beacon Specialty Hospital        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Initial Cost to Company        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Buildings and Improvements 6,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Total 7,458us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Accumulated Depreciation 708us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
NBV 6,750vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_NonKindredMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BeaconSpecialtyHospital7402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_HospitalsMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities        
Real Estate and Accumulated Depreciation        
Encumbrances 255,484us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 218,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,112,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 38,533us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 219,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,149,992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,369,119us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 546,213us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,822,906vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
BROOKDALE | Seniors Housing Communities | 2477, Wellington Place at Muscle Shoals        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,017us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,357us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 511us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,846vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtMuscleShoals2477Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2466, Sterling House of Chandler        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,538us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 784us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,754vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfChandler2466Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2471, Park Regency Premier Club        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,598us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,531us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,067vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkRegencyPremierClub2471Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2424, The Springs of East Mesa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,918us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,665us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,902us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,763vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsOfEastMesa2424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3219, Sterling House of Mesa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,998us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 655us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,998us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,653us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,475us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,178vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMesa3219Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3225, Clare Bridge of Oro Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,835us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,182us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,653vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfOroValley3225Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3227, Sterling House of Peoria        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,872us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,470us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,723us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,747vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPeoria3227Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3236, Clare Bridge of Tempe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,677us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,438us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,239vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTempe3236Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3238, Sterling House on East Speedway        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 506us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,251us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,678us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,573vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOnEastSpeedway3238Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2426, Woodside Terrace        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,691us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,669us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,691us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 74,360us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 24,066us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 50,294vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsideTerrace2426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2428, The Atrium        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,329us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 8,970us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 75,299us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 81,539us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 22,886us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 58,653vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atrium2428Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2429, Brookdale Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,288us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,492us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 13,159us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,333vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrookdalePlace2429Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2438, Ridge Point Assisted Living Inn        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,683us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,973us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,301us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,672vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RidgePointAssistedLivingInn2438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3206, Wynwood of Colorado Springs        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 715us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,279us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,994us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,282us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,712vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfColoradoSprings3206Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3220, Wynwood of Pueblo        
Real Estate and Accumulated Depreciation        
Encumbrances 5,012us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,403us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 840us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,243us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,326us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,917vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfPueblo3220Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2420, The Gables at Farmington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,995us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,995us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,305us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 12,966us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,339vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtFarmington2420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2435, Chatfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,644us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,970us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,139us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,831vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Chatfield2435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3258, Clare Bridge of Ft. Myers        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 871us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,501vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFtMyers3258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2478, Wellington Place at Ft Walton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,651us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,221us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,430vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtFtWalton2478Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2458, Sterling House of Merrimac        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,605us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,775us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,830vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMerrimac2458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3260, Clare Bridge of Jacksonville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,959us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,054us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,905vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfJacksonville3260Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3259, Sterling House of Ormond Beach        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,738us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,398us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,071us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,327vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfOrmondBeach3259Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2460, Sterling House of Palm Coast        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,657us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,020us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,637vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPalmCoast2460Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3226, Sterling House of Pensacola        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,720us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,153us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,567vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPensacola3226Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2461, Sterling House of Englewood (FL)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,331us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,071us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 580us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,491vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodFl2461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3235, Clare Bridge of Tallahassee        
Real Estate and Accumulated Depreciation        
Encumbrances 4,451us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 667us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,835us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,182us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,653vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTallahassee3235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2452, Sterling House of Tavares        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,260us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,702us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,558vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTavares2452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3241, Clare Bridge of West Melbourne        
Real Estate and Accumulated Depreciation        
Encumbrances 6,343us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,481us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,481us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,067us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,939us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,128vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestMelbourne3241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2436, The Classic at West Palm Beach        
Real Estate and Accumulated Depreciation        
Encumbrances 25,512us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,072us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,830us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 11,901us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,929vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClassicAtWestPalmBeach2436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3245, Clare Bridge Cottage of Winter Haven        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,238us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,063us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,175vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfWinterHaven3245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3246, Sterling House of Winter Haven        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,549us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,987us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,963us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,024vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWinterHaven3246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3239, Wynwood of Twin Falls        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,856us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,176us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,680vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTwinFalls3239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2416, The Hallmark        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 11,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 107,517us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,266us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 11,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 110,783us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 121,840us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 38,314us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 83,526vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Hallmark2416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2417, The Kenwood of Lake View        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,668us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,072us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,668us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,740us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,628us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,112vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenwoodOfLakeView2417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2418, The Heritage        
Real Estate and Accumulated Depreciation        
Encumbrances 32,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,871us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 60,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,871us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 60,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 67,036us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 21,676us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 45,360vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Heritage2418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2421, Devonshire of Hoffman Estates        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,886us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 48,016us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 15,025us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,991vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireOfHoffmanEstates2421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2423, The Devonshire        
Real Estate and Accumulated Depreciation        
Encumbrances 33,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,953us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 70,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 70,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 78,353us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 25,297us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 53,056vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Devonshire2423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2415, Seasons at Glenview        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,988us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,762us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,988us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,750us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 12,671us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,079vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SeasonsAtGlenview2415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2432, Hawthorn Lakes        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 39,483us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 12,956us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,527vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HawthornLakes2432Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2433, The Willows        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,188us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,618us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,570vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Willows2433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3209, Sterling House of Evansville        
Real Estate and Accumulated Depreciation        
Encumbrances 3,571us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 357us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 357us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,122us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,332us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,790vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEvansville3209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2422, Berkshire of Castleton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,795us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,122us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,673vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireOfCastleton2422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3218, Sterling House of Marion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,777us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,263us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,514vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3230, Sterling House of Portage        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,649us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,777us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,291us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,486vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfPortage3230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3232, Sterling House of Richmond        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,619us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,160vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfRichmond3232Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3273, Sterling House of Derby        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,862us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 502us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,360vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDerby3273Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3216, Clare Bridge of Leawood        
Real Estate and Accumulated Depreciation        
Encumbrances 3,637us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,244us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,814us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,430vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLeawood3216Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2451, Sterling House of Salina II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,957us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 646us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,311vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalinaIi2451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3237, Clare Bridge Cottage of Topeka        
Real Estate and Accumulated Depreciation        
Encumbrances 4,870us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,825us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,195us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,414us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,781vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfTopeka3237Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3274, Sterling House of Wellington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,434us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,744us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 303us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,441vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWellington3274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2425, River Bay Club        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 57,862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 57,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 63,963us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 20,462us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 43,501vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverBayClub2425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3252, Woven Hearts of Davison        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,543us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,732us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,892us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 717us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,175vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDavison3252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3253, Clare Bridge of Delta Charter        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,201us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,246us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,955vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfDeltaCharter3253Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3257, Woven Hearts of Delta Charter        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,313us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,313us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,133us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 505us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,628vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfDeltaCharter3257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3247, Clare Bridge of Farmington Hills I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,497us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,077us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,283us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,794vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsI3247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3248, Clare Bridge of Farmington Hills II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,946us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,300us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,646vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfFarmingtonHillsIi3248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3254, Clare Bridge of Grand Blanc I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,823us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,350us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,473vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfGrandBlancI3254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3255, Wynwood of Grand Blanc II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,627us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,247us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,618us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,629vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfGrandBlancIi3255Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3250, Wynwood of Meridian Lansing II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,134us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,474us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 756us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,718vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfMeridianLansingIi3250Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3224, Wynwood of Northville        
Real Estate and Accumulated Depreciation        
Encumbrances 7,161us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 407us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,475us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,146us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,329vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNorthville3224Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3251, Clare Bridge of Troy I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,178us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,808us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,848us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,960vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfTroyI3251Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3256, Wynwood of Troy II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,453us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,451us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,002vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfTroyIi3256Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3240, Wynwood of Utica        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,808us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,808us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,950us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,177us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,773vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfUtica3240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3249, Clare Bridge of Utica        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,357us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,004us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,353vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfUtica3249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3203, Sterling House of Blaine        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,825us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 593us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,232vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBlaine3203Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3208, Clare Bridge of Eden Prairie        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,228us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,529us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,203us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,326vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfEdenPrairie3208Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2419, Edina Park Plaza        
Real Estate and Accumulated Depreciation        
Encumbrances 15,040us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,621us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 7,271us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,621us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,412us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 44,033us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 11,816us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,217vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdinaParkPlaza2419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3270, Woven Hearts of Faribault        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,615us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,459vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfFaribault3270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3211, Sterling House of Inver Grove Heights        
Real Estate and Accumulated Depreciation        
Encumbrances 2,825us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 253us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,655us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,908us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 939us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,969vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfInverGroveHeights3211Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3265, Woven Hearts of Mankato        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 900us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 113us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 787vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfMankato3265Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3223, Clare Bridge of North Oaks        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,353us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,934us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,419vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNorthOaks3223Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3229, Clare Bridge of Plymouth        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,354us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,068us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,286vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPlymouth3229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3272, Woven Hearts of Sauk Rapids        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,178us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,658us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 369us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,289vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSaukRapids3272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3269, Woven Hearts of Wilmar        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,303us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 531us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,772vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWilmar3269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3267, Woven Hearts of Winona        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,190us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 312us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,878vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfWinona3267Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 5075, The Solana West County        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,174us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 470us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,704vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SolanaWestCounty5075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2476, Wellington Place of Greenville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,522us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,522us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,122us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 258us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,864vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceOfGreenville2476Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3204, Clare Bridge of Cary        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,466us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,466us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,190us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,287us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,903vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfCary3204Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2465, Sterling House of Hickory        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,981us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,311us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,196us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,115vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfHickory2465Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3244, Clare Bridge of Winston-Salem        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,497us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,865us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,237us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,628vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWinstonSalem3244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2468, Sterling House of Deptford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,672us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 665us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,007vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDeptford2468Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2434, Brendenwood        
Real Estate and Accumulated Depreciation        
Encumbrances 17,770us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,909us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,909us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,067us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 10,580us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,487vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Brendenwood2434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3242, Clare Bridge of Westampton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 881us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 881us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,622us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,677us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,945vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWestampton3242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2430, Ponce de Leon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,178us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,178us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,697us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,481vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PonceDeLeon2430Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2462, Westwood Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,376us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,416us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,015us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,401vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodAssistedLiving2462Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2463, Westwood Active Retirement        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,800us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,353us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,447vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestwoodActiveRetirement2463Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3205, Villas of Sherman Brook        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 947us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,528us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,475us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,663us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,812vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfShermanBrook3205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3212, Wynwood of Kenmore        
Real Estate and Accumulated Depreciation        
Encumbrances 13,352us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,487us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,487us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,366us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,291vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfKenmore3212Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3261, Wynwood of Liberty (Manlius)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,237us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,127us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,010us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,117vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfLibertyManlius3261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3221, Clare Bridge of Niskayuna        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,333us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,354us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,947us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,407vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfNiskayuna3221Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3222, Wynwood of Niskayuna        
Real Estate and Accumulated Depreciation        
Encumbrances 16,758us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,884us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,987us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,696us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,291vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WynwoodOfNiskayuna3222Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3228, Clare Bridge of Perinton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,677us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,438us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,239vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPerinton3228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2427, The Gables at Brighton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,629us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,457us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,172vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GablesAtBrighton2427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3234, Villas of Summerfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,434us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,566us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,044us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,522vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillasOfSummerfield3234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3243, Clare Bridge of Williamsville        
Real Estate and Accumulated Depreciation        
Encumbrances 6,903us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 839us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 839us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,680us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,359us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,321vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfWilliamsville3243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3200, Sterling House of Alliance        
Real Estate and Accumulated Depreciation        
Encumbrances 2,263us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 392us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,283us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,675us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,222us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,453vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfAlliance3200Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3201, Clare Bridge Cottage of Austintown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,238us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,092us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,146vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfAustintown3201Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3275, Sterling House of Barberton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,884us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,324us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,186us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,138vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBarberton3275Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3202, Sterling House of Beaver Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,968us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,903us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,065vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBeaverCreek3202Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3207, Sterling House of Westerville        
Real Estate and Accumulated Depreciation        
Encumbrances 1,857us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,867us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,274us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,593vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfWesterville3207Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3276, Sterling House of Englewood (OH)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,477us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,107us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 745us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,362vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnglewoodOh3276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2455, Sterling House of Greenville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,144us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,634us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 562us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,072vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfGreenville2455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2467, Sterling House of Lancaster        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,122us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 564us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,558vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster2467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3277, Sterling House of Marion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,306us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,926us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 432us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,494vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMarion3277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3233, Sterling House of Salem        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,293us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,648us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,645vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSalem3233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2459, Sterling House of Springdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,134us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,274us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,011us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,263vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSpringdale2459Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3278, Sterling House of Bartlesville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,529us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,779us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,129us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,650vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBartlesville3278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3279, Sterling House of Bethany        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,889us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 213us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,676vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBethany3279Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2450, Sterling House of Broken Arrow        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 6,410us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,873us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,789us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,662us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 996us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,666vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfBrokenArrow2450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2439, Forest Grove Residential Community        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,953us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,176us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,777vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestGroveResidentialCommunity2439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2440, The Heritage at Mt. Hood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,503us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,110us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,393vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtMtHood2440Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2441, McMinnville Residential Estates        
Real Estate and Accumulated Depreciation        
Encumbrances 1,771us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,791us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,025us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,766vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McminnvilleResidentialEstates2441Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2475, Homewood Residence at Deane Hill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,705us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,855us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,844us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,011vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HomewoodResidenceAtDeaneHill2475Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2479, Wellington Place at Newport        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,866us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 518us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,348vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlaceAtNewport2479Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2449, Trinity Towers        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 71,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 71,661us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 73,581us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,809us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 65,772vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrinityTowers2449Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2446, Sterling House of Denton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,712us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,712us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,462us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 753us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,709vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfDenton2446Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2448, Sterling House of Ennis        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,744us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 404us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,340vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfEnnis2448Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2474, Broadway Plaza at Westover Hill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,363us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,796us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,567vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BroadwayPlazaAtWestoverHill2474Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2453, Hampton at Pearland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,869us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,869us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,119us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,500us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,619vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPearland2453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2454, Hampton at Pinegate        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,913us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,913us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,353us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,830us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,523vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtPinegate2454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2456, Hampton at Shadowlake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,290us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,615us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,675vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtShadowlake2456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2457, Hampton at Spring Shadow        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,010us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,754us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,256vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonAtSpringShadow2457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3280, Sterling House of Kerrville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,548us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,008us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 933us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,075vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfKerrville3280Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3281, Sterling House of Lancaster        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,478us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,478us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,888us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 230us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,658vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLancaster3281Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2447, Sterling House of Paris        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,411us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,771us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 323us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,448vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfParis2447Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3282, Sterling House of San Antonio        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,451us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,115us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,336vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfSanAntonio3282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3283, Sterling House of Temple        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,081us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,081us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,411us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 599us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,812vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfTemple3283Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3217, Clare Bridge of Lynwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,573us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,573us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,792us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,386us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,406vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfLynwood3217Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3231, Clare Bridge of Puyallup        
Real Estate and Accumulated Depreciation        
Encumbrances 9,732us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,055us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,055us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,353us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,935us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,418vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfPuyallup3231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2442, Columbia Edgewater        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,230us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,613us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,617vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ColumbiaEdgewater2442Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2431, Park Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,622us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,895us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,622us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,517us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,759us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,758vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParkPlace2431Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2443, Crossings at Allenmore        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,186us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,806us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,756us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,050vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtAllenmore2443Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2473, Union Park at Allenmore        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,036us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 586us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,450vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_UnionParkAtAllenmore2473Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2464, Crossings at Yakima        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,276us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,276us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,136us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,709us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,427vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrossingsAtYakima2464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3210, Sterling House of Fond du Lac        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,603us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,603us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,799us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 567us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,232vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfFondDuLac3210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3213, Clare Bridge of Kenosha        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 551us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,772us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 551us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,754us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,425us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,329vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeOfKenosha3213Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3271, Woven Hearts of Kenosha        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,324us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 220us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,104vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfKenosha3271Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3214, Clare Bridge Cottage of La Crosse        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 621us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,126us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 621us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,803us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,640us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,163vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClareBridgeCottageOfLaCrosse3214Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3215, Sterling House of La Crosse        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,637us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,468us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,112us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,544us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,568vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfLaCrosse3215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3268, Sterling House of Middleton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,401us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 555us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,846vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SterlingHouseOfMiddleton3268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3263, Woven Hearts of Neenah        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,370us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 151us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,219vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfNeenah3263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3262, Woven Hearts of Onalaska        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,949us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,199us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 542us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,657vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOnalaska3262Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3266, Woven Hearts of Oshkosh        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,904us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,904us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,064us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 241us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,823vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfOshkosh3266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 3264, Woven Hearts of Sun Prairie        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,481us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,320vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WovenHeartsOfSunPrairie3264Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2803, Emeritus at Fairwood Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,464us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,908us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,501us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,871vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFairwoodManor2803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2804, Emeritus at Heritage Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,406us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,864us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,542vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHeritagePlace2804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2802, Emeritus at South Windsor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,682us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,682us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,869us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,937us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,932vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtSouthWindsor2802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2807, Emeritus at Bonita Springs        
Real Estate and Accumulated Depreciation        
Encumbrances 9,029us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,783us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,783us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,323us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,756us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,567vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBonitaSprings2807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2808, Emeritus at Boynton Beach        
Real Estate and Accumulated Depreciation        
Encumbrances 13,838us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,535us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,471us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,064vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtBoyntonBeach2808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2809, Emeritus at Deer Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,399us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,190us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,649us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,541vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtDeerCreek2809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2810, Emeritus at Jensen Beach        
Real Estate and Accumulated Depreciation        
Encumbrances 12,417us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,651us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,450us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,201vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtJensenBeach2810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2805, Emeritus at Farm Pond        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,894us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,819us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,074us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,852us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,222vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtFarmPond2805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2806, Emeritus at Cape Cod, Whitehall Estate        
Real Estate and Accumulated Depreciation        
Encumbrances 6,372us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,277us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,063us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,340us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,594us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,746vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCapeCodWhitehallEstate2806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2819, Emeritus at Lakeview        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,990us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,310us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,680vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtLakeview2819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2817, Emeritus at Camelot Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,566us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,566us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,906us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,377us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,529vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtCamelotPlace2817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2821, Emeritus at Medina        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,810us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,685us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,125vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusatMedina2821Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2818, Emeritus at Hillenvale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,593us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,443us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,150vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtHillenvale2818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2822, Inn at North Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,067us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,067us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,627us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,322us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,305vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_InnAtNorthHills2822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
BROOKDALE | Seniors Housing Communities | 2820, Emeritus at Ridgewood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,119us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,238us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,881vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_BrookdaleSeniorLivingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeritusAtRidgewood2820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities        
Real Estate and Accumulated Depreciation        
Encumbrances 309,940us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 245,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,532,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 58,592us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 244,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,591,983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,836,283us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 576,492us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,259,791vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
SUNRISE | Seniors Housing Communities | 4081, Sunrise of Chandler        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,344us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 246us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,045us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,423us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,622vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfChandler4081Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4064, Sunrise of Scottsdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 466us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,015us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,270us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,570us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,700vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfScottsdale4064Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4092, Sunrise of River Road        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,971us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,399us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 65us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,435us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,117us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,318vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRiverRoad4092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4012, Sunrise of Sunnyvale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,933us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 715us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,948us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,009us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,278us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,731vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSunnyvale4012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4016, Sunrise of Westlake Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,722us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 842us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,499us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,406us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,093vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestlakeVillage4016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4018, Sunrise at Yorba Linda        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,066us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,995us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,163us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,832vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtYorbaLinda4018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4023, Sunrise at La Costa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,067us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,547us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,607us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,940vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtLaCosta4023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4086, Sunrise of Carmichael        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,269us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 210us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,808us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,077us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,368us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,709vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCarmichael4086Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4035, Sunrise of San Mateo        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,682us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,335us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,255us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,686us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 39,272us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,570us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,702vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSanMateo4035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4043, Sunrise at Canyon Crest        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,023us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,637us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,167us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,186us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,981vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCanyonCrest4043Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4066, Sunrise of Rocklin        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,378us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 651us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,594us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,734us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,860vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRocklin4066Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4045, Sunrise of Mission Viejo        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,036us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,827us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,571us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,398us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,346us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,052vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMissionViejo4045Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4050, Sunrise at Sterling Canyon        
Real Estate and Accumulated Depreciation        
Encumbrances 16,495us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,811us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,966us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,972us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,289us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,683vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtSterlingCanyon4050Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4055, Sunrise of Fair Oaks        
Real Estate and Accumulated Depreciation        
Encumbrances 10,452us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,456us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,471us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,265us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,341us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,606us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,049us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,557vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFairOaks4055Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4009, Sunrise at Cherry Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,621us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 836us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,827us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,027us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,800vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtCherryCreek4009Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4030, Sunrise at Pinehurst        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,417us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,885us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,457us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,759us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,040us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,719vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtPinehurst4030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4059, Sunrise at Orchard        
Real Estate and Accumulated Depreciation        
Encumbrances 10,382us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,040us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,846us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,036us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,825us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,211vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtOrchard4059Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4061, Sunrise of Westminster        
Real Estate and Accumulated Depreciation        
Encumbrances 7,432us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,020us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,686us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,226us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,912us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,299us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,613vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestminster4061Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4028, Sunrise of Stamford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,612us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,533us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,228us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,727us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,373us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,511us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,862vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStamford4028Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4094, Sunrise of Jacksonville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 39us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,695us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,100us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,674us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,426vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJacksonville4094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4053, Sunrise at East Cobb        
Real Estate and Accumulated Depreciation        
Encumbrances 9,330us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,797us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,248us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,465us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,970us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,495vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtEastCobb4053Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4079, Sunrise of Barrington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 248us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 859us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,192us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,442us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,750vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBarrington4079Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4056, Sunrise of Huntcliff I        
Real Estate and Accumulated Depreciation        
Encumbrances 30,197us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,161us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 13,563us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,226us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 79,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 83,956us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 17,802us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 66,154vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffi4056Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4057, Sunrise of Huntcliff II        
Real Estate and Accumulated Depreciation        
Encumbrances 4,864us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,577us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,868us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,667us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,201vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHuntcliffii4057Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4058, Sunrise of Ivey Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 5,064us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 908us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,513us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,931us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,949us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,982vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfIveyRidge4058Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4014, Sunrise of Park Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,533us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,557us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,831us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,612us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 41,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 46,921us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,592us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,329vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfParkRidge4014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4015, Sunrise of Lincoln Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 534us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,202us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,706us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,304us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,402vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLincolnPark4015Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4024, Sunrise of Naperville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,711us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,990us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,195us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,451us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,744vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNaperville4024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4036, Sunrise of Willowbrook        
Real Estate and Accumulated Depreciation        
Encumbrances 18,515us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 60,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,934us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 62,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 64,126us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 13,030us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 51,096vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWillowbrook4036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4088, Sunrise of Old Meridian        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 43us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,789us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,339us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,995us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,344vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldMeridian4088Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4089, Sunrise of Leawood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 651us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 317us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 719us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,369us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,426us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,943vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLeawood4089Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4090, Sunrise of Overland Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,015us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 308us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,973us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,070us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,903vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOverlandPark4090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4040, Sunrise of Bloomingdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,289us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,819us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,201us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,430us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,771vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomingdale4040Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4042, Sunrise of Buffalo Grove        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 824us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,748us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,999us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,076us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,923vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBuffaloGrove4042Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4060, Sunrise of Palos Park        
Real Estate and Accumulated Depreciation        
Encumbrances 18,651us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 42,205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 893us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,092us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 45,461us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 10,271us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,190vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfPalosPark4060Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4052, Sunrise of Baton Rouge        
Real Estate and Accumulated Depreciation        
Encumbrances 7,972us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,160us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,253us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,919us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,889us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,030vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBatonRouge4052Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4032, Sunrise of Norwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,509us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,707us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,666us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,041vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorwood4032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4051, Sunrise of Arlington        
Real Estate and Accumulated Depreciation        
Encumbrances 17,077us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 86us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 712us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,191us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,609us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,582vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfArlington4051Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4033, Sunrise of Columbia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,682us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,545us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,966us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,579vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfColumbia4033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4034, Sunrise of Rockville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 990us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,245us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,238us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,007vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRockville4034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4031, Sunrise of Troy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 577us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,062us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,001us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,061vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfTroy4031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4038, Sunrise of Bloomfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,736us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,296us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,742us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,947us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,689us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,887us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,802vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBloomfield4038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4091, Sunrise of Cascade        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,273us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 112us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,167us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,980us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,187vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCascade4091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4046, Sunrise of Northville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 860us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,395us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,653us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,742vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthville4046Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4048, Sunrise of Rochester        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,003us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,443us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,427us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 33,016vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRochester4048Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4054, Sunrise of Edina        
Real Estate and Accumulated Depreciation        
Encumbrances 8,809us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,287us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,212us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,692us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,481us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,211vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEdina4054Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4017, Sunrise at North Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 749us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,411us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,251us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,451us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,800vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtNorthHills4017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4019, Sunrise on Providence        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,976us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,524us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,988us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,984us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,972us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,021us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,951vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOnProvidence4019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4001, Sunrise of Morris Plains        
Real Estate and Accumulated Depreciation        
Encumbrances 18,473us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,052us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,471us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,015us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,906us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,109vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMorrisPlains4001Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4002, Sunrise of Old Tappan        
Real Estate and Accumulated Depreciation        
Encumbrances 17,156us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,985us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,446us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,033us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,226us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,028us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,198vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOldTappan4002Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4005, Sunrise of Wayne        
Real Estate and Accumulated Depreciation        
Encumbrances 13,627us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,360us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,352us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,286us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,638us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,372us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,266vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWayne4005Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4006, Sunrise of Westfield        
Real Estate and Accumulated Depreciation        
Encumbrances 18,058us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,803us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,457us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,317us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,173us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,144vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWestfield4006Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4025, Sunrise of East Brunswick        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,432us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,031us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,358us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,389us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,976us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,413vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfEastBrunswick4025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4085, Sunrise of Jackson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,009us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,029us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 174us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,198us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,212us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,497us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,715vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfJackson4085Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4029, Sunrise of Woodcliff Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 984us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,278us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,853us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,425vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWoodcliffLake4029Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4062, Sunrise of Wall        
Real Estate and Accumulated Depreciation        
Encumbrances 9,443us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 627us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,781us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,973us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,808vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWall4062Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4011, Sunrise of New City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,906us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 935us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,948us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,164us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,947us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,217vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNewCity4011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4027, Sunrise of North Lynbrook        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,622us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,396us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 44,105us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,917us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,188vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfNorthLynbrook4027Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4044, Sunrise at Fleetwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,776us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,591us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,439us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,152vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtFleetwood4044Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4049, Sunrise of Smithtown        
Real Estate and Accumulated Depreciation        
Encumbrances 12,727us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,853us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,621us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,509us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,038us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,945us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,983us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,123us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,860vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSmithtown4049Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4063, Sunrise of Staten Island        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (21)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,126us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,462us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,664vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfStatenIsland4063Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4010, Sunrise of Cuyahoga Falls        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 778us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,643us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,795us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,848vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCuyahogaFalls4010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4013, Sunrise at Parma        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,641us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 912us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 806us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,442us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,248us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,230us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,018vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtParma4013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4003, Sunrise at Granite Run        
Real Estate and Accumulated Depreciation        
Encumbrances 11,206us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,739us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,341us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,451us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,792us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,800us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,992vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseAtGraniteRun4003Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4004, Sunrise of Abington        
Real Estate and Accumulated Depreciation        
Encumbrances 23,207us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,838us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 53,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,069us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 56,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 58,567us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 13,247us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 45,320vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAbington4004Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4007, Sunrise of Haverford        
Real Estate and Accumulated Depreciation        
Encumbrances 7,281us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,419us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 962us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,232us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,481us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,751vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHaverford4007Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4020, Sunrise of Westtown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,116us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,566us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,659us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,319us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,340vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWesttown4020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4087, Sunrise of Lower Makefield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 198us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,700us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,024us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,676vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLowerMakefield4087Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4022, Sunrise of Exton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,171us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,155us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,904us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,059us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,734us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,325vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfExton4022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4041, Sunrise of Blue Bell        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,877us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,814us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,748us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,562us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,427us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,135vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBlueBell4041Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4037, Sunrise of Hillcrest        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 444us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,626us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,114us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,740us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,801us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,939vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHillcrest4037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4083, Sunrise of Fort Worth        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,024us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 316us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,927us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,747us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,180vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFortWorth4083Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4093, Sunrise of Frisco        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 108us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,643us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,178us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,224us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,954vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfFrisco4093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4082, Sunrise of Cinco Ranch        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 333us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,907us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,445us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,003us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,442vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfCincoRanch4082Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4084, Sunrise of Holladay        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,542us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,771us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 241us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,542us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 47,554us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,070us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 43,484vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfHolladay4084Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4065, Sunrise of Sandy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,987us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (66)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,618us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,879us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,497us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,655us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,842vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSandy4065Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4000, Sunrise of Springfield        
Real Estate and Accumulated Depreciation        
Encumbrances 8,337us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,210us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,484us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,999us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,485vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfSpringfield4000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4026, Sunrise of Richmond        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,054us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,148us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,472us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,620us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,702us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,918vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmond4026Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4080 Sunrise of Bon Air        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,047us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 293us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,387us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,419us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,089us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,330vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBonAir4080Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4039, Sunrise of Alexandria        
Real Estate and Accumulated Depreciation        
Encumbrances 5,185us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 88us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,312us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 171us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,211us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,374us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,837vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAlexandria4039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4069, Sunrise of Victoria        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,332us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (4,863)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,144us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,439us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,261us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,178vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVictoria4069Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4073, Sunrise of Lynn Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 11,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (6,469)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 10,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,714us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,599us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,115vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfLynnValley4073Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4077, Sunrise of Vancouver        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,937us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 445us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 39,031us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,992us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,039vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfVancouver4077Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4067, Sunrise of Unionville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 41,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (5,300)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,038us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,162us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,417us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,745vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfUnionville4067Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4068, Sunrise of Mississauga        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (4,412)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,693us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,773us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,915us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,858vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfMississauga4068Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4070, Sunrise of Burlington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,448us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 455us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,076us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,809us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,267vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfBurlington4070Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4071, Sunrise of Oakville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,753us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 641us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,883us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,779us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,104vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfOakville4071Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4072, Sunrise of Richmond Hill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 41,254us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (5,486)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,073us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,923us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,266us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,657vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfRichmondHill4072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4074, Sunrise of Windsor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,882us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 587us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,836us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,282us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,087us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,195vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfWindsor4074Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4075, Sunrise of Aurora        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (4,750)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,933us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,474vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfAurora4075Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4076, Sunrise of Erin Mills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (3,670)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,676us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,307us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,938us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,369vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SunriseOfErinMills4076Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
SUNRISE | Seniors Housing Communities | 4078, Thorne Mill of Steeles        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 57,513us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (5,551)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 53,274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 54,525us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 11,357us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 43,168vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_SunriseMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ThorneMillOfSteeles4078Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities        
Real Estate and Accumulated Depreciation        
Encumbrances 959,138us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 520,385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,710,535us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 233,570us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 527,898us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,936,592us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,464,490us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 498,245us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,966,245vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
ATRIA | Seniors Housing Communities | 8248, Atria Regency        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,897us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 824us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,671us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,987us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,684vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRegency8248Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8270, Atria Campana Del Rio        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,072us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,896us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,321us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 44,217us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,712us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 38,505vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCampanaDelRio8270Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8272, Atria Valley Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 60us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 288us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,709us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 348us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,057us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 148us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,909vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyManor8272Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8342, Atria Bell Court Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 18,170us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,969us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 537us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,516us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,190us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,326vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBellCourtGardens8342Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8984, Longlake Chateau        
Real Estate and Accumulated Depreciation        
Encumbrances 10,401us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,874us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,874us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,784us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 304us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,480vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LonglakeChateau8984Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8987, Prince George        
Real Estate and Accumulated Depreciation        
Encumbrances 10,239us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,761us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,761us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,827us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 305us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,522vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrinceGeorge8987Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8995, The Victorian        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,419us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,351us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,419us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,770us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 230us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,540vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Victorian8995Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8996, Victorian at McKenzie        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,712us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,712us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,513us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 329us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,184vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictorianAtMcKenzie8996Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8584, Atria Chandler Villas        
Real Estate and Accumulated Depreciation        
Encumbrances 7,570us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 873us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,692us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,973us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,004us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,969vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChandlerVillas8584Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8568, Atria Sierra Pointe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 10,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 65,372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 10,930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 65,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 76,302us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 887us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 75,415vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSierraPointe8568Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8502, Atria Covina        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 388us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 184us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,505us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,689us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 825us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,864vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovina8502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8510, Atria Chateau Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 39us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 487us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 379us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 39us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 905us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 446vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauGardens8510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8517, Atria Collwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 444us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,384us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,744us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,640vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollwood8517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8523, Atria Palm Desert        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,887us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,843us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 876us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,506us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,606us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,594us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,012vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPalmDesert8523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8529, Atria Covell Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 18,788us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 7,159us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,272us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 46,707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 48,979us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,970us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 43,009vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCovellGardens8529Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8532, Atria Golden Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 671us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,921us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,115us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,548us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,567vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGoldenCreek8532Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8533, Atria Hillcrest        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 9,187us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,612us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,842us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,920us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,922vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillcrest8533Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8538, Atria Bayside Landing        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 351us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 818us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 437us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 381vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaysideLanding8538Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8541, Atria Chateau San Juan        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,436us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 7,900us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,446us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,145us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,301vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaChateauSanJuan8541Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8544, Atria El Camino Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,660us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,937us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,908us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,608us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,300vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElCaminoGardens8544Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8545, Atria Hacienda        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 85,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,770us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,805us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 87,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 94,350us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 10,535us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 83,815vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHacienda8545Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8304, Atria Paradise        
Real Estate and Accumulated Depreciation        
Encumbrances 5,245us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 346us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,564us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,873us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,459us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,414vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaParadise8304Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8546, Atria Hillsdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,036us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,981us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,232us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,332us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,900vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHillsdale8546Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8553, Atria Rancho Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 946us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,318us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,492us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,826vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRanchoPark8553Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8554, Atria Tamalpais Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 417us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,827us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,105us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,932us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,329us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,603vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTamalpaisCreek8554Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8317, Atria Pacific Palisades        
Real Estate and Accumulated Depreciation        
Encumbrances 7,348us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,458us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 863us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,924us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,385us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,715us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,670vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPacificPalisades8317Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8559, Atria Del Rey        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 4,380us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,097us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,809us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,288vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelRey8559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8560, Atria Del Sol        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,458us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,579us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,537us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,769us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,768vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelSol8560Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8561, Atria Encinitas        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 721us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,891us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,813us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,563us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,250vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEncinitas8561Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8297, Atria Escondido        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,155us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,351us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 179us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,172vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEscondido8297Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8303, Atria Grass Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 11,840us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 181us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,577us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,560us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,583us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,977vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrassValley8303Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8563, Atria Willow Glen        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,824us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,526us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,987us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 53,513us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,774us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 48,739vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowGlen8563Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8575, Atria Burlingame        
Real Estate and Accumulated Depreciation        
Encumbrances 7,291us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,494us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 738us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,082us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,605us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,870us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,735vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBurlingame8575Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8578, Atria Sunnyvale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,296us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,217us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 39,484us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,018us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,466vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunnyvale8578Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8296, Atria Grand Oaks        
Real Estate and Accumulated Depreciation        
Encumbrances 22,350us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,994us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 119us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,024us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,398us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 56,422us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,754us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 53,668vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrandOaks8296Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8322, Atria Tarzana        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 47,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 301us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 47,848us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 48,808us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,203us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 46,605vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTarzana8322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8295, Atria Vintage Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 817us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,713us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,119us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 49,832us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,488us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 47,344vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVintageHills8295Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8579, Atria Montego Heights        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,797us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 11,189us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,986us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,896us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,808us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,088vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMontegoHeights8579Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8580, Atria Daly City        
Real Estate and Accumulated Depreciation        
Encumbrances 7,425us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,448us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 632us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,170us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,939us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,231vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDalyCity8580Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8582, Atria Valley View        
Real Estate and Accumulated Depreciation        
Encumbrances 17,558us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 53,914us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,448us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 55,354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 62,501us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 10,442us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 52,059vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaValleyView8582Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8334, Atria Applewood [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,656us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 48,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 108us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 48,765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 52,421us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,830us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 49,591vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_A8334AtriaApplewoodMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8585, Atria Las Posas        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,436us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 509us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,508us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,937us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,445us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,771us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,674vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLasPosas8585Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8302, Atria Carmichael Oaks        
Real Estate and Accumulated Depreciation        
Encumbrances 18,993us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,118us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 49,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 632us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 52,444us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,569us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 49,875vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarmichaelOaks8302Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8601, Atria Woodbridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,173us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 9us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,178us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 148us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,030vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridge8601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8301, Atria Lafayette        
Real Estate and Accumulated Depreciation        
Encumbrances 19,942us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 56,922us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 83us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,686us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 56,998us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 62,684us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,804us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 59,880vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLafayette8301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8603, Atria Inn at Lakewood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,281us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,047us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 51,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 57,423us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,104us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 51,319vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaInnAtLakewood8603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8261, Atria Vistas in Longmont        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 209us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,815us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,078us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,893us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,381us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,512vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistasInLongmont8261Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8311, Atria Stratford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,865us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 919us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,784us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,994us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,985us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,009vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStratford8311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8434, Atria Darien        
Real Estate and Accumulated Depreciation        
Encumbrances 19,986us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,415us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 816us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,839us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,655us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,179us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,476vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDarien8434Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8435, Atria Stamford        
Real Estate and Accumulated Depreciation        
Encumbrances 37,188us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 62,432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,304us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 65,563us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 66,936us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,365us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 58,571vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStamford8435Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8725, Atria Crossroads Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 6,028us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 42,387us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 44,924us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,653us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 40,271vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossroadsPlace8725Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8726, Atria Greenridge Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,234us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,367us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,957us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,227us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,730vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreenridgePlace8726Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8727, Atria Hamilton Heights        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,712us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,355us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,506us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,836us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,670vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHamiltonHeights8727Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8728, Atria Larson Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,098us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 919us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,873us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,994us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,867us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,518us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,349vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLarsonPlace8728Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8229, Atria San Pablo        
Real Estate and Accumulated Depreciation        
Encumbrances 5,691us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 570us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,474us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,110us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,008us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,102vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSanPablo8229Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8290, Atria at St. Joseph's        
Real Estate and Accumulated Depreciation        
Encumbrances 16,361us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 225us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,465us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,646us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,819vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatSt.Josephs8290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8343, Atria Meridian        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 755us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 12us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 753us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 765us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 136us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 629vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMeridian8343Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8233, The Heritage at Lake Forest        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,241us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,416us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,137us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,279vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageAtLakeForest8233Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8274, Atria Evergreen Woods        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,371us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,606us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,497us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,347us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,765us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,582vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEvergreenWoods8274Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8282, Atria North Point        
Real Estate and Accumulated Depreciation        
Encumbrances 42,431us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 78,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,830us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 78,318us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 83,148us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,824us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 81,324vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthPoint8282Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8276, Atria Windsor Woods        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 863us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,624us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,905us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,798us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,107vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWindsorWoods8276Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8537, Atria Baypoint Village        
Real Estate and Accumulated Depreciation        
Encumbrances 15,912us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,801us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,139us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,725us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,773us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,952vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaypointVillage8537Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8210, Atria Johnson Ferry        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 212us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 990us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,655us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,037us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,618vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaJohnsonFerry8210Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Tucker, 8288 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 127us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,806us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,909us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,197us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,712vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTucker8288Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8344, Atria Glen Ellyn        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,597us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,475us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,641us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,116us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,633us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,483vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenEllyn8344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8268, Atria Buckhead        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 544us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,678us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,478us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,102us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,376vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBuckhead8268Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Mableton, 8289 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 97us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,912us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,887us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,108us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,779vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMableton8289Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8240, Atria Newburgh        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 401us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,431us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,965us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,466vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNewburgh8240Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8249, Atria Hearthstone East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 567us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,261us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,911us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,350vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneEast8249Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8277, Atria Hearthstone West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,379us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,209us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,588us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,818us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,295us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,523vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHearthstoneWest8277Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8209, Atria St. Matthews        
Real Estate and Accumulated Depreciation        
Encumbrances 7,324us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 512us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,784us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,725us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,874us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,851vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStMatthews8209Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8228, Atria Elizabethtown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 364us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 869us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,724us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,733us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,991vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaElizabethtown8228Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8235, Atria Highland Crossing        
Real Estate and Accumulated Depreciation        
Encumbrances 11,062us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,677us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 905us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,687us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,288us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,975us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,526us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,449vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHighlandCrossing8235Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8245, Atria Summit Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 6,081us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 614us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,784us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,379us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,163us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,352us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,811vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitHills8245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8246, Atria Stony Brook        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 403us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,888us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,936us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,824us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,540us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,284vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaStonyBrook8246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8258, Atria Springdale        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,702us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 582us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,694us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,436us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,258vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSpringdale8258Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8162, Atria Falmouth        
Real Estate and Accumulated Depreciation        
Encumbrances 30,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 32,630us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,433us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,827us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,260us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,983us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,277vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFalmouth8162Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
ATRIA | Seniors Housing Communities | 8230, Atria Woodbriar        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 6,422us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,974us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 52,085us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,203us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 46,882vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbriar8230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8730, Atria Fairhaven (Alden)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 511us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,604us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,704us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,127us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,577vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaFairhavenAlden8730Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8731, Atria Draper Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 968us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,154us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,748us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,902us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,416us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,486vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDraperPlace8731Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8733, Atria Longmeadow Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 58,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 878us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 58,899us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 64,209us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,994us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 57,215vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLongmeadowPlace8733Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8735, Atria Marina Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,899us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,002us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,885us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,491us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,494us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,997vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarinaPlace8735Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Riverheights Terrace, 8989 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 10,716us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,507us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 351us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,156vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverheightsTerrace8989Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Amber Meadow, 8970 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,047us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,821us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,821us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,868us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 260us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,608vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberMeadow8970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Westhaven, 8998 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 871us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,162us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 871us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,162us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,033us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 302us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,731vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Westhaven8998Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8736, Atria Marland Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,592us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 12,635us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,834us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 47,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 49,058us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,483us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 44,575vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMarlandPlace8736Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8737, Atria Merrimack Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 931us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 41,549us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 44,350us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,933us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 39,417vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrimackPlace8737Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8332, Atria Manresa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,193us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,123us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,449us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,867us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,316us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,638us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,678vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaManresa8332Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8333, Atria Salisbury        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 306us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,806us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,746us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,055us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,691vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSalisbury8333Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8241, Atria Kennebunk        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 586us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,096us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,076us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,172us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,161us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,011vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKennebunk8241Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Ann Arbor, 8318 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,857us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,486us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,674us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,046us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,297us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,749vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAnnArbor8318Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8548, Atria Kinghaven        
Real Estate and Accumulated Depreciation        
Encumbrances 13,781us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 886us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,586us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,833us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,753vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKinghaven8548Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8522, Atria Shorehaven        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 610us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 618us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 618us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 90us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 528vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShorehaven8522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8992, Ste. Anne's Court        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,221us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,626us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,847us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 369us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,478vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SteAnnesCourt8992Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Chateau De Champlain, 8975 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 10,065us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,577us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,577us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,373us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 320us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,053vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauDeChamplain8975Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8305, Atria Merrywood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,678us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,892us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,653us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,678us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 38,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 40,223us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,397us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,826vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaMerrywood8305Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Southpoint, 8293 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 16,936us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 87us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,007us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,137us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,531us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,606vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthpoint8293Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Oakridge, 8294 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,708us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,838us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 139us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,947us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,459us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,713us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,746vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOakridge8294Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8319, Atria Cranford        
Real Estate and Accumulated Depreciation        
Encumbrances 26,511us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 61,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,586us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,313us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 63,944us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 72,257us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,225us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 64,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCranford8319Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8335, Atria Tinton Falls        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 845us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,683us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,377us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,306vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTintonFalls8335Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8562, Atria Vista de Rio        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 641us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 27us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 677us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 575vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVistaDeRio8562Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8524, Atria Summit Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 407us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 249us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 660us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 377us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 283vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSummitRidge8524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8525, Atria Sunlake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 463us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,202us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 676us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 526vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSunlake8525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8526, Atria Sutton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 707us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 35us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,570us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 824us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 746vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSutton8526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8587, Atria Seville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 632us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 11us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,417us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,428us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 727us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 701vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSeville8587Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8269, Atria Hertlin House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,886us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 770us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,161us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,047us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,312us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,735vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHertlinHouse8269Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8309, Atria 86th Street        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 80us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 73,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 3,903us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 77,501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 77,668us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,878us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 67,790vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Atria86ThStreet8309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8310, Atria Great Neck        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 54,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,033us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 55,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 58,474us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,521us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 51,953vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreatNeck8310Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8312, Atria Kew Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 27,855us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,728us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 68,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 71,792us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,001us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 63,791vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKewGardens8312Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8313, Atria Briarcliff Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,885us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,396us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,585us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,841us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,638us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,203vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBriarcliffManor8313Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8314, Atria Riverdale        
Real Estate and Accumulated Depreciation        
Encumbrances 21,612us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,149us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 6,664us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,798us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,833us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,733us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,100vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRiverdale8314Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Delmar Place, 8341 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 242us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,293us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 869us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,424vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaDelmarPlace8341Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8321, Atria Shaker        
Real Estate and Accumulated Depreciation        
Encumbrances 12,103us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,667us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 653us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,626us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,840us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,919us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,921vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaShaker8321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8323, Atria South Setauket        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 785us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,993us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,769us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,016us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,753vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthSetauket8323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8325, Atria Huntington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,342us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,494us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,701us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,012us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,689vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHuntington8325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8327, Atria Penfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,036us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 417us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 622us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,451us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,073us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,977us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,096vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPenfield8327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8328, Atria Greece        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,967us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 723us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,100us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,109us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,991vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGreece8328Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8329, Atria Lynbrook        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 533us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,167us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,308us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,859vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLynbrook8329Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8330, Atria Crossgate        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,599us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 402us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,001us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,081us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,840us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,241vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCrossgate8330Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8331, Atria East Northport        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 9,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 10,973us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 9,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 55,400us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,715us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 50,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaEastNorthport8331Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8436, Atria Rye Brook        
Real Estate and Accumulated Depreciation        
Encumbrances 43,757us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 9,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 74,936us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 788us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 9,682us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 75,702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 85,384us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 9,287us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 76,097vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRyeBrook8436Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8437, Atria on Roslyn Harbor        
Real Estate and Accumulated Depreciation        
Encumbrances 65,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 12,909us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 72,720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 987us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 12,965us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 73,651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 86,616us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,879us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 77,737vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnRoslynHarbor8437Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8438, Atria Cutter Mill        
Real Estate and Accumulated Depreciation        
Encumbrances 34,937us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 47,919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,411us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 49,324us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 52,080us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,022us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 46,058vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCutterMill8438Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8439, Atria Glen Cove        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 759us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,049us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,935us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,984us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 6,450us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,534vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGlenCove8439Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8455, Atria Bay Shore        
Real Estate and Accumulated Depreciation        
Encumbrances 15,275us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 919us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,448us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,894us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,342us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,263us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 33,079vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBayShore8455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8458, Atria Forest Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 494us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,174us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,224us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,376us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,848vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestHills8458Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8461, Atria Plainview        
Real Estate and Accumulated Depreciation        
Encumbrances 13,430us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 820us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,360us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,361us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,999vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaPlainview8461Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8464, Atria Tanglewood        
Real Estate and Accumulated Depreciation        
Encumbrances 25,670us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,348us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 380us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,706us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,848us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,626us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,222vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaTanglewood8464Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8467, Atria Woodlands        
Real Estate and Accumulated Depreciation        
Encumbrances 46,880us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 65,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,208us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,682us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 66,767us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 74,449us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,346us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 66,103vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodlands8467Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8738, Atria Guilderland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,171us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,861us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,917us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,944vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGuilderland8738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8739, Atria on the Hudson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 63,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,285us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 65,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 73,497us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,733us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 64,764vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOnHudson8739Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8521, Atria Northgate Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 335us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 335us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 335us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 254vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaNorthgatePark8521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Court At Brooklin, 8977 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,602us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,117us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 424us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,693vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBrooklin8977Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Burlington Gardens, 8973 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,744us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 50,744us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 58,304us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 583us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 57,721vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BurlingtonGardens8973Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Court At Rushdale, 8979 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,881us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,432us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 415us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,017vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtRushdale8979Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Kingsdale Chateau, 8983 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 16,640us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,221us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,272us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,493us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 435us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 38,058vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KingsdaleChateau8983Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Crystal View Lodge, 8981 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 37,243us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,830us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 443us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 38,387vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrystalViewLodge8981Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Court At Barrhaven, 8980 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,778us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,922us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,700us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 409us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,291vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtBarrhaven8980Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Stamford Estates, 8991 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 12,922us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,414us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,853us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 362us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,491vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StamfordEstates8991Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Sherbrooke Heights, 8990 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,922us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,232us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 410us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,822vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SherbrookeHeights8990Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Anchor Pointe, 8971 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,034us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,214us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,270us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 332us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,938vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AnchorPointe8971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Court At Pringle Creek, 8978 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,965us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,206us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,171us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 472us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 41,699vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CourtAtPringleCreek8978Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8338, Atria Bethlehem        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,479us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 360us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,479us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,709us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,300us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,409vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBethlehem8338Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8339, Atria South Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 283us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,047us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,820us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,227vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSouthHills8339Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | La Residence Steger, 8993 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 6,355us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,995us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,995us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,926us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,921us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 178us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,743vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaResidenceSteger8993Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Primrose Chateau, 8986 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,845us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,729us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,340us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 396us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,944vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseChateau8986Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8433, Atria Center City        
Real Estate and Accumulated Depreciation        
Encumbrances 23,234us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,291us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,561us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,852us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,312us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,975us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,337vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCenterCity8433Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8742, Atria Woodbridge Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 387us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,027us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,695us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,332vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWoodbridgePlace8742Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8602, Atria Bay Spring Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,821us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,221us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,047us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,174vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaBaySpringVillage8602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8743, Atria Aquidneck Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,623us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 402us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,025us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,835us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,825us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,010vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaAquidneckPlace8743Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8744, Atria Harborhill Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,702us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 651us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,113us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,329us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,442us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,921us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,521vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaHarborhillPlace8744Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8745, Atria Lincoln Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,686us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 465us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,591us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,034us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,557vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaLincolnPlace8745Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8263, Atria Forest Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 488us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,424us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,104us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,887us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,217vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaForestLake8263Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Mulberry Estates, 8985 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 15,909us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,173us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,964us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 391us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 33,573vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MulberryEstates8985Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Queen Victoria, 8988 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,109us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,018us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,109us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,127us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 409us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,718vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_QueenVictoria8988Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8205, Atria Weston Place        
Real Estate and Accumulated Depreciation        
Encumbrances 9,703us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 811us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 967us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,565us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,374us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,191vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestonPlace8205Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8542, Atria Collier Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 520us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 520us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 133us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 387vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCollierPark8542Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8215, Atria Cypresswood        
Real Estate and Accumulated Depreciation        
Encumbrances 9,175us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,192us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 336us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,528us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,408us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,371us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,037vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCypresswood8215Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8218, Atria Kingwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 334us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,843us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,022us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 886us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,136vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaKingwood8218Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria at Hometown, 8292 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,932us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 343us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,955us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,657us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,835us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,822vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaatHometown8292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Canyon Creek, 8291 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 304us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 46,288us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 49,413us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,718us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 46,695vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCanyonCreek8291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8234, Atria Copeland        
Real Estate and Accumulated Depreciation        
Encumbrances 9,945us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 410us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,881us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,190us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,520us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,670vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCopeland8234Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8243, Atria Carrollton        
Real Estate and Accumulated Depreciation        
Encumbrances 7,189us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 815us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,276us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,640us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,824us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,816vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaCarrollton8243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8247, Atria Grapevine        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 254us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,358us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,428us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,055us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,373vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaGrapevine8247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8252, Atria Sugar Land        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,542us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 532us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,073us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,044us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,359us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSugarLand8252Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8254, Atria Westchase        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,278us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 401us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,318us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,997us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,043us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,954vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWestchase8254Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8257, Atria Richardson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 505us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,757us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,127us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,630vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaRichardson8257Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8266, Atria Willow Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,271us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 532us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 927us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,723us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,430us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaWillowPark8266Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8284 Atria Villiage at Arboretum        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 61,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 289us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,292us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 62,041us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 70,333us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,573us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 65,760vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVilliageAtArboretum8284Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8278, Atria Sandy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,453us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,614us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,245us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,369vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaSandy8278Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8239, Atria Virginia Beach (Hilltop)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,749us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,004us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 411us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,749us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,415us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,164us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,446us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,718vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaVirginiaBeachHilltop8239Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | Atria Other Projects [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,938us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,938vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AtriaOtherProjectsMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
ATRIA | Seniors Housing Communities | 8972, Arbour Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 41,700us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 460us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 41,240vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArbourLake8972Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8974, Canyon Meadows        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,803us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,617us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,803us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,420us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 371us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,049vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonMeadows8974Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8976, Churchill Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,865us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,347us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 374us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,973vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChurchillManor8976Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8997, View at Lethbridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 27,273us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 325us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,948vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ViewAtLethbridge8997Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8994, Victoria Park        
Real Estate and Accumulated Depreciation        
Encumbrances 9,952us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,554us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,742us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 298us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,444vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VictoriaPark8994Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
ATRIA | Seniors Housing Communities | 8982, Ironwood Estates        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,639us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,158us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 295us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,863vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_AtriaMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IronwoodEstates8982Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities        
Real Estate and Accumulated Depreciation        
Encumbrances 199,098us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 427,854us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,125,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (10,950)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 424,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,118,355us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,542,688us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 450,160us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,092,528vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
OTHER | Seniors Housing Communities | 3880, Elmcroft of Grayson Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 474us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,659us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,237us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,422vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfGraysonValley3880Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3873, Elmcroft of Byrd Springs        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 440us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,430us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,460us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,970vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfByrdSprings3873Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3881, Elmcroft of Heritage Woods        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,241us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 458us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,719us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,349us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,370vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHeritageWoods3881Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3800, Elmcroft of Halcyon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,696us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,278us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,418vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalcyon3800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7635, Rosewood Manor (AL)        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,038us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,038us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,718us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 469us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,249vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RosewoodManorAl7635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3605, West Shores        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,904us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,904us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,230us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,009us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,221vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestShores3605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3822, Elmcroft of Maumelle        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,601us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,601us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,853us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,774us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,079vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMaumelle3822Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3823, Elmcroft of Mountain Home        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,971us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,175us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,093us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,082vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountainHome3823Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3825, Elmcroft of Sherwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,693us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,013us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,328us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSherwood3825Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7301, Chandler Memory Care Community        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 9,066us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,882us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,976us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 977us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,999vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChandlerMemoryCareCommunity7301Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3601, Cottonwood Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,324us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,144us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,180vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CottonwoodVillage3601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7308, Silver Creek Inn Memory Care Community        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,918us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,808us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 532us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,276vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverCreekInnMemoryCareCommunity7308Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7010, Arbor Rose        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,434us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,314us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,414us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,179us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,235vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborRose7010Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3894, Elmcroft of Tempe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 734us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,676us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,766us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,623us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,143vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTempe3894Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3891, Elmcroft of River Centre        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,195us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 405us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,540us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 806us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,734vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRiverCentre3891Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7072, Careage Banning        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,970us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,037us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,007us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,982us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,025vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CareageBanning7072Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Las Villas Del Carlsbad, 3811 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,469us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,469us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,229us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,110us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,119vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelCarlsbad3811Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Chico, 1450 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,069us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,929us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,069us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,998us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 42us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,956vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtChico1450Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2245, Villa Bonita        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,779us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,202us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,577vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaBonita2245Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Meadows Senior Living, 7024 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,667us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,308us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,975us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 157us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,818vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowsSeniorLiving7024Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3805, Las Villas Del Norte        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,632us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,423us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 7,614us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,809vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasVillasDelNorte3805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7480, Alder Bay Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (70)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,328us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 670us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,658vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AlderBayAssistedLiving7480Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3808, Elmcroft of La Mesa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,532us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,424us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,108vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLaMesa3808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3810, Grossmont Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 9,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 59,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 9,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 59,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 68,453us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 13,848us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 54,605vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GrossmontGardens3810Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Palms, 1400 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,919us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 46,619us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,836us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 44,783vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Palms1400Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3809, Mountview Retirement Residence        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,449us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,538us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,605us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,933vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountviewRetirementResidence3809Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Lancaster, 1453 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,459us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,177us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,148vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLancaster1453Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Marysville, 1454 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,467us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,208us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 21us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,187vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtMarysville1454Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Redwood Retirement, 1402 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,798us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,639us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,437us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 540us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,897vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RedwoodRetirement1402Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Oroville, 1455 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,717us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 23us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,694vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtOroville1455Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1701, Villa de Palma        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,174us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,174us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,434us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,290us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,144vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDePalma1701Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Valencia Commons, 1403 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,802us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,516us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,286vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ValenciaCommons1403Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2244, Wellington Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,637us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,637us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,437us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 752us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WellingtonPlace2244Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Shasta Estates, 1404 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,463us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,643us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 979us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,664vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ShastaEstates1404Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7481, The Vistas        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,033us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,033us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,323us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,487us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,836vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Vistas7481Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3807, Elmcroft of Point Loma        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,865us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,982us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,602us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,380vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfPointLoma3807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2243, Land of Cortese Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,994us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,994us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,694us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,229us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,465vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LandOfCorteseAssistedLiving2243Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1700, Villa del Obispo        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,220us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,191us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,029vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaDelObispo1700Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3604, Villa Santa Barbara        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,426us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,645us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,419us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,226vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillaSantaBarbara3604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Skyline Place Senior Living, 7023 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,815us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,815us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,472us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,287us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 229us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,058vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SkylinePlaceSeniorLiving7023Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Oak Terrace Memory Care, 7021 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,275us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,146us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,275us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,421us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 44us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,377vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakTerraceMemoryCare7021Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7013, Eagle Lake Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,719us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,719us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,884us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 551us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,333vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EagleLakeVillage7013Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Bonaventure, 1401 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,041us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,388us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,653vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Bonaventure1401Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Visalia, 1457 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,378us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,378us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,678us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 24us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,654vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtVisalia1457Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2242, Buena Vista Knolls        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 61us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,331us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 816us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,515vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BuenaVistaKnolls2242Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3806, Rancho Vista        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,828us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,828us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,558us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,093us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,465vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RanchoVista3806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1712, Westminster Terrace        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,214us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,321us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,893vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestminsterTerrace1712Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Highland Trail, 1406 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,511us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,942us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,110us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,832vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandTrail1406Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7011, Caley Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,157us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,290us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,077us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,213vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CaleyRidge7011Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7485, Garden Square at Westlake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,211us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,841us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 979us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,862vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAtWestlake7485Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7486, Garden Square of Greeley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,065us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 339us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,726vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareOfGreeley7486Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Lakewood Estates, 1405 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,137us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,443us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 884us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,559vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakewoodEstates1405Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Sugar Valley Estates, 1407 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,255us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,837us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,092us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 913us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,179vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SugarValleyEstates1407Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7110, Devonshire Acres        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,569us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (3,501)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,018us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,229us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,789vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireAcres7110Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7292, Gardenside Terrace        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 7,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 7,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,518us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,561us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 34,957vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardensideTerrace7292Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7291, Hearth at Tuxis Pond        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 44,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 45,932us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,763us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 41,169vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HearthAtTuxisPond7291Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | White Oaks, 1408 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,507us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,091us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,445us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,646vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhiteOaks1408Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7636, Forsyth House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,113us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 742us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,371vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForsythHouse7636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7120, Hampton Manor Belleview        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,727us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 990us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,737vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorBelleview7120Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7638, Sabal House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,902us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,332us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 682us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,650vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SabalHouse7638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7231, Bristol Park of Coral Springs        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,157us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,455us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,702vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfCoralSprings7231Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7639, Stanley House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,069us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 654us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,415vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_StanleyHouse7639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7520, The Peninsula        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,782us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,294us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,488vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Peninsula7520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3801, Elmcroft of Timberlin Parc        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,905us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 455us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,905us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,360us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,378us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,982vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTimberlinParc3801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3970, The Carlisle Naples        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 8,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 78,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 8,406us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 78,091us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 86,497us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 8,393us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 78,104vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarlisleNaples3970Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Naples ALZ Development, 3971 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,983us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,983vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_NaplesALZDevelopment3971Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
OTHER | Seniors Housing Communities | 7121, Hampton Manor at 24th Road        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,767us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,767us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,457us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,002us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,455vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAt24ThRoad7121Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7122, Hampton Manor at Deerwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,605us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,605us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,395us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 717us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,678vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HamptonManorAtDeerwood7122Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Las Palmas, 1409 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 984us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,009us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 984us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,009us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,993us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,250us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,743vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LasPalmas1409Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1707, Outlook Pointe at Pensacola        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,362us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,362us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,592us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 451us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,141vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtPensacola1707Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7637, Magnolia House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,590us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 611us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,979vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaHouse7637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1708, Outlook Pointe at Tallahassee        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,175us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,133us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,042vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTallahassee1708Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1714, Magnolia Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,653us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 897us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,756vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MagnoliaPlace1714Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7230, Bristol Park of Tamarac        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,050us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,674us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,376vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BristolParkOfTamarac7230Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3874, Elmcroft of Carrolwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,944us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 601us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,955us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,513us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,442vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCarrolwood3874Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7410, Augusta Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,262us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,792us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,201us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,591vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AugustaGardens7410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3888, Elmcroft of Mt. Zion        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (16,587)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 0us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 0vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMtZion3888Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3887, Elmcroft of Milford Chase        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (10,781)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 0us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 0vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMilfordChase3887Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3826, Elmcroft of Martinez        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,172us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,449us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,723vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinez3826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Roswell, 3905 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,867us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,835us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,867us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,835us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,702us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,702vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRoswell3905Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7000, Windsor Court of Carmel        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,933us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,933us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,043us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 324us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,719vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorCourtOfCarmel7000Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1573, Azalea Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,078us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,035us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,043vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AzaleaHills1573Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3606, Georgetowne Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,500us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,853us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,647vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GeorgetownePlace3606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1559, Greensburg Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,184us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 263us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,921vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GreensburgAssistedLiving1559Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1551, Summit West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,922us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,162us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 992us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,170vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SummitWest1551Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3603, The Harrison        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,940us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,664us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,276vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Harrison3603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1564, Lakeview Commons of Monticello        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,263us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,513us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 588us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,925vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LakeviewCommonsOfMonticello1564Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3827, Elmcroft of Muncie        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 244us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,462us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,404us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,058vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMuncie3827Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7482, Wood Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (35)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,815us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,405us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 598us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,807vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodRidge7482Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7344, Drury Place at Alvamar        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 40us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,896us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,112us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,784vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtAlvamar7344Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7345, Drury Place at Salina        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 26us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,302us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,064us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 348us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,716vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceAtSalina7345Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7346, Drury Place Retirement Apartments        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 29us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,636us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 743us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,893vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DruryPlaceRetirementApartments7346Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Florence, 3902 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,535us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,826us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,826us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,361us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,361vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfFlorence3902Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Hartland Hills, 1410 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,929us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,468us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,397us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,000us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,397vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartlandHills1410Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Mount Washington, 3903 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,806us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,806vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMountWashington3903Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2510, Heritage Woods        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,874us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,990us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,884vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageWoods2510Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
OTHER | Seniors Housing Communities | 1738, Wingate at Silver Lake        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,624us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,624us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,954us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,622us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,332vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WingateAtSilverLake1738Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Devonshire Estates, 1411 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,832us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,832us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 31,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,956us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,301us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,655vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DevonshireEstates1411Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1709, Outlook Pointe at Hagerstown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,293us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,303us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 316us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,987vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtHagerstown1709Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7130, Clover Healthcare        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,895us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,295us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,238us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,057vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CloverHealthcare7130Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7132, Gorham House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,472us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,979us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,648us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 32,331vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GorhamHouse7132Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Kittery Estates, 1413 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,531us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 32,342us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,286us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,056vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KitteryEstates1413Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Woods at Canco, 1412 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,441us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 45,578us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 47,019us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,898us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 45,121vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WoodsatCanco1412Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7131, Sentry Hill        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,869us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,869us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,359us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,232us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,127vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SentryHill7131Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3878, Elmcroft of Downriver        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 415us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 371us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 33,387us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,596us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,791vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDownriver3878Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3611, Independence Village of East Lansing        
Real Estate and Accumulated Depreciation        
Encumbrances 7,025us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,956us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,078us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,393us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,685vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfEastLansing3611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3883, Elmcroft of Kentwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,976us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 499us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,475us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,985us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,804us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,181vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKentwood3883Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7421, Primrose Austin        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,247us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,284us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,963vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAustin7421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7423, Primrose Duluth        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,486us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,045us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,441vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseDuluth7423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7424, Primrose Mankato        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,780us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,070us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,710vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseMankato7424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3608, Rose Arbor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,421us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,421us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,561us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,571us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,990vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RoseArbor3608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3609, Wildflower Lodge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,539us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,858us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,681vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WildflowerLodge3609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Lodge at White Bear, 1414 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 732us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,999us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,731us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,041us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 24,690vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LodgeatWhiteBear1414Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7300, Canyon Creek Inn Memory Care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 7us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,644us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,172us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,472vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CanyonCreekInnMemoryCare7300Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2651, Springs at Missoula        
Real Estate and Accumulated Depreciation        
Encumbrances 16,318us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,975us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 34,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 36,365us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,546us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 33,819vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtMissoula2651Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7090, Carillon ALF of Asheboro        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,050us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,713us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,337vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfAsheboro7090Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3802, Elmcroft of Little Avenue        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,327us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,185us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,142vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLittleAvenue3802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7093, Carillon ALF of Cramer Mountain        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,225us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,755us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,050us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,705vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfCramerMountain7093Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7092, Carillon ALF of Harrisburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,790us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,692us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,098vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHarrisburg7092Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7097, Carillon ALF of Hendersonville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,582us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 937us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,645vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHendersonville7097Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7098, Carillon ALF of Hillsborough        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 21,204us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,172us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfHillsborough7098Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Willow Grove, 1415 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 763us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,307us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,146us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,161vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGrove1415Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7095, Carillon ALF of Newton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,935us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,475us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,665us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,810vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfNewton7095Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3612, Independence Village of Olde Raleigh        
Real Estate and Accumulated Depreciation        
Encumbrances 9,757us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,989us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,989us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,637us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,464us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,173vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IndependenceVillageOfOldeRaleigh3612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3846, Elmcroft of Northridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,592us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 184us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,592us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,776us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 838us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,938vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfNorthridge3846Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7091, Carillon ALF of Salisbury        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,026us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,026us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,606us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,730us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,876vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSalisbury7091Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7094, Carillon ALF of Shelby        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,131us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,730us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,401vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfShelby7094Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3866, Elmcroft of Southern Pines        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,766us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,962us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,461us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,501vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSouthernPines3866Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7096, Carillon ALF of Southport        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,686us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,236us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,450vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CarillonAlfOfSouthport7096Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7422, Primrose Bismarck        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,768us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,978us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,108us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,870vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseBismarck7422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3602, Crown Pointe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,266us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,311us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,955vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CrownPointe3602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Birch Heights, 1416 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,680us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,263us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,417vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BirchHeights1416Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7020, Brandywine at Brick        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,237us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,996us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,241vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BrandywineAtBrick7020Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Bear Canyon Estates, 1417 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,879us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 36,223us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 38,102us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,512us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 36,590vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BearCanyonEstates1417Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3890, Elmcroft of Quintessence        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 406us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,083us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,941us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,142vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuintessence3890Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3600, The Amberleigh        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,097us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,097us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,595us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,471us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,124vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Amberleigh3600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7290, Castle Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,885us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,487us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,912us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,460vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CastleGardens7290Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3847, Elmcroft of Lima        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,858us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 786us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,072vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLima3847Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3885, Elmcroft of Lorain        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,461us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 499us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 557us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,460us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,902us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,558vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLorain3885Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3812, Elmcroft of Ontario        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,968us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,491us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,859us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,632vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfOntario3812Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3813, Elmcroft of Medina        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 661us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,449us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,284us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,165vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMedina3813Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3814, Elmcroft of Washington Township        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,235us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,235us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,846us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,943us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,903vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWashingtonTownship3814Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3816, Elmcroft of Sagamore Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,604us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,604us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,584us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,941us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,643vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSagamoreHills3816Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3848, Elmcroft of Xenia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,454us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 654us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,800vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfXenia3848Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1803, Arbor House of Midwest City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,677us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 608us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,069vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMidwestCity1803Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1804, Arbor House of Mustang        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,959us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 240us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,719vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfMustang1804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1805, Arbor House of Norman        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 444us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,969us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 501us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,468vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfNorman1805Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1806, Arbor House Reminisce Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,466us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 204us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,262vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseReminisceCenter1806Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3889, Elmcroft of Quail Springs        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (17,132)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 0us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 0vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfQuailSprings3889Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7014, Mansion at Waterford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,184us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,261us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,164us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,097vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MansionAtWaterford7014Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Meadowbrook Place, 7019 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,741us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 44us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,697vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookPlace7019Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Edgewood Downs, 1418 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,832us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 655us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,177vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EdgewoodDowns1418Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1518, Avamere at Hillsboro        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,353us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 1,065us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,818us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,107us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,711vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtHillsboro1518Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | The Springs at Tanasbourne, 2652 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 35,354us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 4,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 55,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 4,689us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 55,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 59,724us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,431us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 56,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TheSpringsatTanasbourne2652Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1526, Avamere court at Keizer        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,183us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,443us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,486us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,957vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereCourtAtKeizer1526Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Keizer River ALZ Facility, 1530 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 7,382us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,382us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 53us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,329vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KeizerRiverALZFacility1530Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1523, The Stafford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,922us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,926us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,996vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stafford1523Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1527, The Pearl at Kruse Way        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,880us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,500us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,380vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PearlAtKruseWay1527Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1525, Avamere at Three Fountains        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,527us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,787us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 31,740vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtThreeFountains1525Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2649, The Springs at Clackamas Woods (ILF)        
Real Estate and Accumulated Depreciation        
Encumbrances 10,731us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,264us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,429us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,693us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,661us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SpringsAtClackamasWoodsILF2649Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2650, Clackamas Woods Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 5,741us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 681us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,758us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 894us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,864vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ClackamasWoodsAssistedLiving2650Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1521, Avamere at Newberg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 383us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,367us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 654us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,713vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtNewberg1521Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1524, Avamere Living at Berry Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 2,147us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,396us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,306us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 674us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,632vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereLivingAtBerryPark1524Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | McLoughlin Place Senior Living, 7018 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,418us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,819us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,237us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 217us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,020vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_McLoughlinPlaceSeniorLiving7018Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1516, Avamere at Bethany        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,890us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,973us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,917vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtBethany1516Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1520, Avamere at Sandy        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 226us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,535us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 931us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,604vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSandy1520Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1522, Suzanne Elise ALF        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,027us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,027us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,967us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 652us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,315vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SuzanneEliseAlf1522Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1519, Avamere at Sherwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 203us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,254us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,264us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 906us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,358vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtSherwood1519Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7483, Chateau Gardens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,747us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 483us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,264vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChateauGardens7483Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1517, Avamere at St Helens        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 378us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,874us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,284us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,256us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,028vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AvamereAtStHelens1517Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Flagstone Senior Living, 7017 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,786us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,417us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 144us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 19,273vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlagstoneSeniorLiving7017Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3849, Elmcroft of Allison Park        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,686us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,171us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,686us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,857us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,327us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,530vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAllisonPark3849Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3853, Elmcroft of Chippewa        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,394us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,980us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,003us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,977vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChippewa3853Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3851, Elmcroft of Berwick        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,852us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,573us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,279vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBerwick3851Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1703, Outlook Pointe at Lakemont        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,624us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,624us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,284us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,552us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,732vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtLakemont1703Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3817, Elmcroft of Dillsburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,797us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,797us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,229us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,819us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,410vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfDillsburg3817Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3850, Elmcroft of Altoona        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,729us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 331us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,060us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,104us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,956vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAltoona3850Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3818, Elmcroft of Lebanon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,336us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,576us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,712us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,864vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3818Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3854, Elmcroft of Lewisburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,898us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,322us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,576vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLewisburg3854Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3855, Elmcroft of Reedsville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 189us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,359us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,206us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,153vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReedsville3855Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2502, Lehigh Commons        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 450us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,276us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,917us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,359vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LehighCommons2502Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
OTHER | Seniors Housing Communities | 3856, Elmcroft of Loyalsock        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,412us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,825us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 796us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,029vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLoyalsock3856Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2504, Highgate at Paoli Pointe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,230us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,461us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,769vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighgateAtPaoliPointe2504Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
OTHER | Seniors Housing Communities | Elmcroft Of Mid Valley, 3907 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 619us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,281us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,281vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMidValley3907Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2503, Sanatoga Court        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,593us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,300us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,293vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SanatogaCourt2503Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
OTHER | Seniors Housing Communities | 2501, Berkshire Commons        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,771us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,727us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,044vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BerkshireCommons2501Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 30 years      
OTHER | Seniors Housing Communities | 3857, Elmcroft of Reading        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,580us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,153us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,427vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfReading3857Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3858, Elmcroft of Saxonburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,949us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,719us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,388us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,331vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfSaxonburg3858Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 2511, Mifflin Court        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 351us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 689us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,305us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,568us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,737vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MifflinCourt2511Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3815, Elmcroft of Shippensburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,837us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,781us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,056vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShippensburg3815Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3860, Elmcroft of State College        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,407us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,727us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,728us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,999vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfStateCollege3860Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1704, Outlook Pointe at York        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,923us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,183us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 849us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,334vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtYork1704Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Forest Pines, 1419 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,058us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 27,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 28,529us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,145us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 27,384vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ForestPines1419Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3108, Langston House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,728us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,778us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,950vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LangstonHouse3108Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7420, Primrose Aberdeen        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,509us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 179us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,330vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseAberdeen7420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7425, Primrose Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,552us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 385us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,167vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimrosePlace7425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7426, Primrose Rapid City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,722us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,722us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,582us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,028us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,554vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseRapidCity7426Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7427, Primrose Sioux Falls        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,936us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,936us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,116us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,544us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,572vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrimroseSiouxFalls7427Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3868, Elmcroft of Bartlett        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 343us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,465us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,860us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 23,605vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBartlett3868Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1706, Outlook Pointe of Bristol        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,476us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,769us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,707vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeOfBristol1706Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3804, Elmcroft of Hamilton Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 87us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 87us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,335us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 991us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,344vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHamiltonPlace3804Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3875, Elmcroft of Shallowford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 455us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 582us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,603us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,097us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,506vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfShallowford3875Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Hendersonville, 3901 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,304us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,304us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,904us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,904vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHendersonville3901Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7634, Regency House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,751us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 764us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,987vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RegencyHouse7634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Jackson, 3906 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 768us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,840us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,608us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,608vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfJackson3906Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1710, Outlook Pointe at Johnson City        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,043us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,633us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,145us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,488vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtJohnsonCity1710Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3819, Elmcroft of Kingsport        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,815us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,815us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,837us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,823us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,014vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfKingsport3819Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Elmcroft Of Halls, 3904 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 387us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 387us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,948us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,335us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,335vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfHalls3904Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3862, Elmcroft of West Knoxville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,697us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,136us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,496us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,640vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWestKnoxville3862Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3863, Elmcroft of Lebanon        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,086us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 7,086us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,266us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,653us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,613vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLebanon3863Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3892, Elmcroft of Twin Hills        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (9,068)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 0us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 0vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfTwinHills3892Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7630, Kennington Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 761us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,509us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,329us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 911us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,418vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_KenningtonPlace7630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7633, Glenmary Senior Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 224us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,594us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 946us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,648vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GlenmarySeniorManor7633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1705, Outlook Pointe at Murfreesboro        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,970us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 959us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,011vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtMurfreesboro1705Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3871, Elmcroft of Brentwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 603us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,623us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,583us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,610us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 20,973vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBrentwood3871Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3923, Trenton Health Care Center        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,058us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,518us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,560us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,958vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_TrentonHealthCareCenter3923Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3899, Elmcroft of Arlington        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 473us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,533us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,183us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,768us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,415vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfArlington3899Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7309, Meadowbrook Memory Care Community        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,677us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 940us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,617us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,372us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 374us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,998vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MeadowbrookMemoryCareCommunity7309Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3867, Elmcroft of Austin        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 25,820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 534us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 26,354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 29,124us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,969us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 26,155vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfAustin3867Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3869, Elmcroft of Bedford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,691us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 493us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,184us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,954us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,306us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,648vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBedford3869Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Highland Estates, 1422 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 28,943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,622us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,210us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 29,412vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HighlandEstates1422Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3893, Elmcroft of Rivershire        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 32,671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 689us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 34,220us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,679us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 30,541vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfRivershire3893Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7605, Heritage Oaks Retirement Village        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,636us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 30,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 31,426us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 3,425us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,001vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HeritageOaksRetirementVillage7605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7484, Flower Mound        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,412us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 646us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,766vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_FlowerMound7484Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1802, Arbor House Granbury        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,186us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,576us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 544us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,032vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseGranbury1802Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Copperfield Estates, 1423 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,351us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 883us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,468vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CopperfieldEstates1423Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3870, Elmcroft of Braeswood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 626us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,970us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 16,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,515us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,979us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,536vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfBraeswood3870Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3877, Elmcroft of Cy-Fair        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 419us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 22,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,800us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,501us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,299vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCyFair3877Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3882, Elmcroft of Irving        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 18,755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 455us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 19,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 20,830us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,208us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 18,622vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfIrving3882Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3610, Whitley Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,100us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,008us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,092vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhitleyPlace3610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3884, Elmcroft of Lake Jackson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 417us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,892us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,777us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,115vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfLakeJackson3884Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1801, Arbor House Lewisville        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 824us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 824us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,308us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,132us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 688us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,444vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseLewisville1801Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3896, Elmcroft of Vista Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 6,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 654us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 6,303us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 17,482us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,442us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,040vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVistaRidge3896Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Polo Park Estates, 1421 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 29,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 30,212us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,225us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 28,987vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PoloParkEstates1421Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7311, Arbor Hills Memory Care Community        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 6,733us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,719us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,733us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 284us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,449vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHillsMemoryCareCommunity7311Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1807, Arbor House of Rockwall        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,537us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,883us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,420us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 864us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,556vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfRockwall1807Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3897, Elmcroft of Windcrest        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,011us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 526us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,457us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,667us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,790vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWindcrest3897Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Paradise Springs, 1420 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 26,044us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,027us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,017vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ParadiseSprings1420Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1800, Arbor House of Temple        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,223us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 450us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,773vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfTemple1800Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3876, Elmcroft of Cottonwood        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 405us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,550us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,045us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,505vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfCottonwood3876Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3886, Elmcroft of Mainland        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,849us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 504us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 15,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,873us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,786us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,087vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMainland3886Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3895, Elmcroft of Victoria        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 425us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,465us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,905us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,573us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,332vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfVictoria3895Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1808, Arbor House of Weatherford        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,347us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,347us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,580us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 223us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,357vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ArborHouseOfWeatherford1808Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3872, Elmcroft of Wharton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 658us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,457us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,777us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,708us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,069vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfWharton3872Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Mountain Ridge, 2247 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 11,840us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,243us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 24,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 25,902us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 25,834vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MountainRidge2247Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3865, Elmcroft of Chesterfield        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,363us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,525us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,838vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfChesterfield3865Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7012, Pheasant Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,027us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,027us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,840us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 741us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,099vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PheasantRidge7012Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Cascade Valley Senior Living, 7016 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,707us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 180us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,527vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CascadeValleySeniorLiving7016Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1717, Cooks Hill Manor        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,144us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,664us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 775us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,889vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CooksHillManor1717Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1716, The Sequoia        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,214us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,615us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,599vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Sequoia1716Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Bishop Place Senior Living, 7025 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,780us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,388us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 34us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,354vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_BishopPlaceSeniorLiving7025Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Willow Gardens, 1424 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 35,492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 37,451us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,483us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,968vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WillowGardens1424Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1713, Birchview        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 14,355us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,522us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,833vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Birchview1713Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1718, Discovery Memory care        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,864us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,193us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,671vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_DiscoveryMemoryCare1718Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7370, The Academy Retirement Comm        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,391us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 571us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,820vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcademyRetirementComm7370Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1715, The Village Retirement & Assisted Living        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,138us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 928us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 7,210vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_VillageRetirementAssistedLiving1715Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1611, Jansen House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (41)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,923us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 225us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,698vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JansenHouse1611Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1612, Margaret house        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (49)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,967us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,107us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 245us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,862vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_MargaretHouse1612Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7590, Hunters Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,640us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 289us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,351vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HuntersRidge7590Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7033, Harbor House Beloit        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,506us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 483us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,023vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseBeloit7033Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7032, Harbor House Clinton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,680us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 487us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,193vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseClinton7032Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7591, Creekside        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,693us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,453us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 224us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,229vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Creekside7591Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1631, Harmony of Denmark        
Real Estate and Accumulated Depreciation        
Encumbrances 1,112us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,228us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,448us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 274us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,174vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfDenmark1631Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7035, Harbor House Eau Claire        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,259us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,259us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,469us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 677us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,792vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseEauClaire7035Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7592, Chapel Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,822us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 292us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,530vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ChapelValley7592Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1642, Harmony of Brenwood Park        
Real Estate and Accumulated Depreciation        
Encumbrances 5,810us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,674us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,498us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,176vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfBrenwoodPark1642Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1601, Windsor House of Glendale East        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 37us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 970us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,790us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 165us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,625vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleEast1601Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1602, Windsor House of Glendale West        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 119us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,054us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,854us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 164us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,690vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfGlendaleWest1602Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7321, Laurel Oaks        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 43,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 45,977us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,821us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 41,156vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaurelOaks7321Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1630, Harmony of Green Bay        
Real Estate and Accumulated Depreciation        
Encumbrances 2,896us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,008us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,008us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,648us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 587us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 5,061vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfGreenBay1630Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7326, Layton Terrace        
Real Estate and Accumulated Depreciation        
Encumbrances 7,195us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 3,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 3,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 39,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,691us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,426us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 38,265vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LaytonTerrace7326Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1600, Cambridge House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 43us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 652us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,346us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 243us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,103vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_CambridgeHouse1600Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1606, Winchester Place        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (95)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,572us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 433us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,139vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WinchesterPlace1606Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7593, Jefferson        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,714us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 289us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,425vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Jefferson7593Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1645, Harmony of Kenosha        
Real Estate and Accumulated Depreciation        
Encumbrances 3,769us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,717us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,897us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 964us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,933vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfKenosha1645Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7030, Harbor House Kenosha        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,254us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 520us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,484us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 376us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,108vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseKenosha7030Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1637, Harmony Commons of Stevens Point        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,002us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 334us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,668vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyCommonsOfStevensPoint1637Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1638, Harmony of Madison        
Real Estate and Accumulated Depreciation        
Encumbrances 3,902us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,279us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,929us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 537us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,392vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMadison1638Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1633, Harmony of Manitowoc        
Real Estate and Accumulated Depreciation        
Encumbrances 4,579us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,551us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,116us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,435vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfManitowoc1633Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7039, Harbor House Manitowoc        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,660us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 178us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,482vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseManitowoc7039Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1647, Harmony of McFarland        
Real Estate and Accumulated Depreciation        
Encumbrances 3,498us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,647us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,287us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 561us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,726vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfMcfarland1647Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1614, Acorn Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 537us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 20us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 557us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 667us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 84us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 583vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AcornRidge1614Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1615, Emeral Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 537us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 542us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 652us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 80us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 572vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_EmeralRidge1615Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1616, Silver Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 557us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 652us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 86us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 566vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SilverRidge1616Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1617, West Ridge        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 557us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 652us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 82us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 570vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WestRidge1617Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1639, Riverview Village        
Real Estate and Accumulated Depreciation        
Encumbrances 5,545us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,928us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,291us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,637vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_RiverviewVillage1639Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7322, The Arboretum        
Real Estate and Accumulated Depreciation        
Encumbrances 4,920us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 5,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 49,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 583us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 5,640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 49,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 55,306us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 5,694us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 49,612vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Arboretum7322Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7034, Harbor House Monroe        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,964us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,454us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 559us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,895vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseMonroe7034Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1608, Phyllis Elaine        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,157us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 64us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 713us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,218us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,931us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 184us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,747vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PhyllisElaine1608Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1609, Judy Harris        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (50)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 720us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,289us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,009us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 305us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,704vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_JudyHarris1609Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1613, Irish Road        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,036us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 87us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,443us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 172us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 1,271vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_IrishRoad1613Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1603, Windsor House Oak Creek        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,167us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (2)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 2,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,965us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 275us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,690vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOakCreek1603Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7325, Wilkinson Woods of Oconomowoc        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,436us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 12,436us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,536us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,395us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 12,141vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WilkinsonWoodsOfOconomowoc7325Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7036, Harbor House Oshkosh        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 949us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 1,139us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 146us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 993vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseOshkosh7036Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1607, Wyndham House        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 206us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,313us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,510us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 564us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,946vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WyndhamHouse1607Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1643, Harmony of Racine        
Real Estate and Accumulated Depreciation        
Encumbrances 9,173us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 12,316us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,271us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 11,045vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfRacine1643Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1644, Harmony of Commons of Racine        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,245us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 11,245us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 11,875us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,231us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 10,644vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfCommonsOfRacine1644Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7037, Harbor House Rib Mountain        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,413us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,763us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 389us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,374vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseRibMountain7037Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1634, Harmony of Sheboygan        
Real Estate and Accumulated Depreciation        
Encumbrances 8,488us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,908us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 18,718us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,952us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 16,766vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfSheboygan1634Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7038, Harbor House Sheboygan        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,060us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,208us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,268us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 684us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,584vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseSheboygan7038Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1604, Windsor House of St. Francis I        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (113)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 2,685us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 198us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,487vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisI1604Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1605, Windsor House of St. Francis II        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 15us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,377us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,674us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,051us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 225us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 2,826vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WindsorHouseOfStFrancisIi1605Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7324, Howard Village of St. Francis        
Real Estate and Accumulated Depreciation        
Encumbrances 5,040us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 17,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 19,552us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,004us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 17,548vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HowardVillageOfStFrancis7324Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1636, Harmony of Stevens Point        
Real Estate and Accumulated Depreciation        
Encumbrances 7,746us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,081us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 790us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 10,081us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 10,871us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,133us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 9,738vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStevensPoint1636Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1646, Harmony of Stoughton        
Real Estate and Accumulated Depreciation        
Encumbrances 1,539us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 9,298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 9,788us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,028us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 8,760vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfStoughton1646Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7031, Harbor House Stoughton        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,641us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 389us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,252vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarborHouseStoughton7031Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1632, Harmony of Two Rivers        
Real Estate and Accumulated Depreciation        
Encumbrances 2,471us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,868us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 421us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,447vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTwoRivers1632Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7320, Oak Hill Terrace        
Real Estate and Accumulated Depreciation        
Encumbrances 4,975us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 40,298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 42,338us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 4,561us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 37,777vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OakHillTerrace7320Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1640, Harmony of Terrace Court        
Real Estate and Accumulated Depreciation        
Encumbrances 6,894us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 5,037us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 5,467us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 583us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,884vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCourt1640Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1641, Harmony of Terrace Commons        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 7,296us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 765us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,531vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfTerraceCommons1641Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7327, Hart Park Square        
Real Estate and Accumulated Depreciation        
Encumbrances 6,600us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 21,628us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 23,528us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,458us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,070vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HartParkSquare7327Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7323, Library Square        
Real Estate and Accumulated Depreciation        
Encumbrances 5,150us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,714us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 23,714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 24,874us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 2,687us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 22,187vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_LibrarySquare7323Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1635, Harmony of Wisconsin Rapids        
Real Estate and Accumulated Depreciation        
Encumbrances 1,030us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 4,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 4,869us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 533us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 4,336vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_HarmonyOfWisconsinRapids1635Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1610, Wrightstown        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 12us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 388us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 528us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 443vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Wrightstown1610Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 1711, Outlook Pointe at Teays Valley        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 16,439us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,594us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 14,845vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_OutlookPointeAtTeaysValley1711Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 3820, Elmcroft of Martinsburg        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 8,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 8,568us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 1,941us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 6,627vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_ElmcroftOfMartinsburg3820Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | 7487, Garden Square Assisted Living of Casper        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 355us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 3,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,552us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 321us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,231vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_GardenSquareAssistedLivingOfCasper7487Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Whispering Chase, 1425 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 20,354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 22,154us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 854us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 21,300vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_WhisperingChase1425Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Green Valley, 1451 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,977us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,977us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,204us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 39us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,165vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtGreenValley1451Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Lake Havasu City, 1452 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,792us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 594us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 14,792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 15,386us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 41us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 15,345vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtLakeHavasuCity1452Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Stratford, 2246 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 1,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 1,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 33,576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 35,507us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 35,414vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_Stratford2246Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Amber Creek Inn Memory Care, 4826 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 2,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition (5,365)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 1,227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 3,267us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 3,267vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_AmberCreekInnMemoryCare4826Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Prestige Assisted Living At Sierra Vista, 1456 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 295us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 13,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 13,519us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 37us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV 13,482vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_PrestigeAssistedLivingAtSierraVista1456Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years      
OTHER | Seniors Housing Communities | Sierra Ridge Memory Care, 7022 [Member]        
Real Estate and Accumulated Depreciation        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Initial Cost to Company        
Land and Improvements 681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Gross Amount Carried at Close of Period        
Land and Improvements 681us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Buildings and Improvements 6,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Total 6,752us-gaap_RealEstateGrossAtCarryingValue
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Accumulated Depreciation 49us-gaap_RealEstateAccumulatedDepreciation
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
NBV $ 6,703vtr_RealEstateAndAccumulatedDepreciationCarryingAmountOfPropertiesNet
/ dei_LegalEntityAxis
= vtr_OtherThirdPartyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= vtr_SierraRidgeMemoryCare7022Member
/ vtr_RealEstateAndAccumulatedDepreciationTypeOfPropertyAxis
= vtr_SeniorsHousingCommunitiesMember
     
Life on Which Depreciation in Income Statement is Computed 35 years