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Equity and Partners' Capital - Additional Information (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 11, 2026
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Feb. 20, 2025
Schedule of Investments [Line Items]          
Common units outstanding   413,172,388 408,141,366    
General partner units outstanding   9,060,641 9,060,641    
Distribution of receivable related to the WES unit redemption with Occidental [1]   $ 610,000   $ 0  
Unit repurchases, authorized amount         $ 250,000
Unit repurchases, remaining authorized amount   $ 250,000      
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   262,798,212      
Limited partner's interest   62.30%      
WES [Member] | Public [Member] | Brazos Delaware          
Schedule of Investments [Line Items]          
Common units issued, number 19,389,239        
WES [Member] | WES Operating [Member]          
Schedule of Investments [Line Items]          
Limited partner's interest   98.20%      
Occidental [Member] | WES [Member]          
Schedule of Investments [Line Items]          
Common units outstanding   150,374,176      
Limited partner's interest   35.60%      
General partner units outstanding   9,060,641      
General partner's interest   2.10%      
Occidental [Member] | WES Operating [Member]          
Schedule of Investments [Line Items]          
Limited partner's interest   1.80%      
[1] See Note 6.