Name:	avb_EmploymentAgreementsAndArrangementsAbstract
Namespace Prefix:	avb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	avb_LeaseObligationsAbstract
Namespace Prefix:	avb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Loss Contingency New Class Action Claims Filed Number

No definition available.

Name:	avb_LossContingencyNewClassActionClaimsFiledNumber
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of commercial properties owned.

No definition available.

Name:	avb_NumberOfCommercialPropertiesOwned
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of executives that the entity has employment agreements with.

No definition available.

Name:	avb_NumberOfExecutivesInEmploymentAgreements
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of leased properties accounted for as operating leases.

No definition available.

Name:	avb_NumberOfLeasedPropertiesAccountedAsOperatingLeases
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of leased properties that have purchase options.

No definition available.

Name:	avb_NumberOfLeasedPropertiesUnderPurchaseOptions
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of operating apartment communities owned (or in which a direct or indirect ownership interest is held).

No definition available.

Name:	avb_NumberOfOperatingApartmentCommunitiesOwned
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of Real Estate Properties, Uninhabitable

No definition available.

Name:	avb_NumberOfRealEstatePropertiesUninhabitable
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of Units In Real Estate Property, Uninhabitable

No definition available.

Name:	avb_NumberOfUnitsInRealEstatePropertyUninhabitable
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Capital Land Leases for Dual Branded Properties

No definition available.

Name:	avb_NumberofCapitalLandLeasesforDualBrandedProperties
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Dual Branded Properties with Capital Land Leases

No definition available.

Name:	avb_NumberofDualBrandedPropertieswithCapitalLandLeases
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Dual Branded Properties with Operating Land Leases

No definition available.

Name:	avb_NumberofDualBrandedPropertieswithOperatingLandLeases
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Operating Land Leases for Dual Branded Properties

No definition available.

Name:	avb_NumberofOperatingLandLeasesforDualBrandedProperties
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the sum of the age of an employee at Retirement plus years of employment with the entity, which is considered as a criterion for Retirement.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAgeOfEmployeeAtRetirementPlusYearsOfEmployment
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the compensation (base salary plus annual cash bonus) multiplier considered for executives terminated.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationMultiplier
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the time period that an employee will have to exercise any options held upon termination without cause or retirement.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriodForOptionsHeldUponTerminationWithoutCauseOrRetirement
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the period of the non-compete agreement entered into by an employee.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardRequisitePeriodOfNonCompeteAgreement
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum period of written notice to be provided by an employee for communicating his intention to retire.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardRequisitePeriodOfWrittenNoticeForRetirement
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the age of an employee that is considered for Retirement, which results in vesting of the equity-based payment award.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardRequisiteRetirementAge
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the period following a sale within which if an employee, not covered by a severance agreement, terminates his employment, receives a lump sum payment.

No definition available.

Name:	avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardTerminationPeriodFollowingSaleEvent
Namespace Prefix:	avb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

Name:	us-gaap_CapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

Name:	us-gaap_CapitalLeasedAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The total number of new claims filed pertaining to a loss contingency during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of real estate properties owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The number of units in a real estate property owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Cash received for the settlement of litigation during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

Name:	us-gaap_ProceedsFromLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=avb_PropertiesOnLandSubjectToLandLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetsHeldUnderCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AwardTypeAxis=us-gaap_StockCompensationPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AwardTypeAxis=avb_OfficerSeveranceProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TitleOfIndividualAxis=avb_VicePresidentAndSeniorVicePresidentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TitleOfIndividualAxis=avb_ExecutiveVicePresidentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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