v3.25.2
Equity and Partners' Capital - Additional Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Feb. 20, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]      
Common units outstanding 381,328,604   380,556,643
General partner units outstanding 9,060,641   9,060,641
Unit repurchases, authorized amount   $ 250.0  
Unit repurchases, remaining authorized amount $ 250.0    
Public [Member]      
Schedule of Investments [Line Items]      
Unit repurchases, number of units 0    
WES [Member] | Public [Member]      
Schedule of Investments [Line Items]      
Common units outstanding 215,647,026    
Limited partner's interest 55.30%    
Occidental [Member] | WES [Member]      
Schedule of Investments [Line Items]      
Common units outstanding 165,681,578    
Limited partner's interest 42.40%    
General partner units outstanding 9,060,641    
General partner's interest 2.30%