XML 73 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2019
Feb. 24, 2020
Jun. 28, 2019
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity Registrant Name WESTERN MIDSTREAM PARTNERS, LP    
Entity File Number 001-35753    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 46-0967367    
Entity Address, Address Line One 1201 Lake Robbins Drive    
Entity Address, City or Town The Woodlands,    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77380    
City Area Code (832)    
Local Phone Number 636-6000    
Title of 12(b) Security Common units    
Trading Symbol WES    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 6.2
Entity Common Units Outstanding   443,971,409  
Documents Incorporated by Reference
None
    
Entity Central Index Key 0001423902    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
WES Operating [Member]      
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity Registrant Name WESTERN MIDSTREAM OPERATING, LP    
Entity File Number 001-34046    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1075808    
Entity Address, Address Line One 1201 Lake Robbins Drive    
Entity Address, City or Town The Woodlands,    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77380    
City Area Code (832)    
Local Phone Number 636-6000    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Central Index Key 0001414475    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31