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Acquisitions, Divestitures and Other Transactions - Cactus II Narrative (Details)
$ in Millions
1 Months Ended
Nov. 30, 2022
USD ($)
Dec. 31, 2024
Oct. 31, 2022
Cactus II Pipeline LLC      
Business Acquisition [Line Items]      
Ownership interest in unconsolidated entity prior to acquisition (as a percent)     65.00%
Cactus II Pipeline LLC      
Business Acquisition [Line Items]      
Noncontrolling interest, ownership (as a percent)   30.00%  
Cactus II Pipeline LLC | Enbridge      
Business Acquisition [Line Items]      
Noncontrolling interest, ownership (as a percent) 30.00%    
Cactus II Pipeline LLC      
Business Acquisition [Line Items]      
Additional interest acquired (as a percent) 5.00%    
Business combination, step acquisition, equity interest in acquiree, including subsequent acquisition (as a percent) 70.00%    
Business combination, step acquisition, equity interest in acquire (as a percent)     65.00%
Fair value amount $ 1,140    
Consideration transferred 1,556    
Cactus II Pipeline LLC | Gains/(losses) on investments in unconsolidated entities, net      
Business Acquisition [Line Items]      
Equity interest in acquiree, remeasurement gain 370    
Cactus II Pipeline LLC | Noncontrolling Interests      
Business Acquisition [Line Items]      
Noncontrolling interest, increase from business combination $ 526    
Cactus II Pipeline LLC | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow      
Business Acquisition [Line Items]      
Business combination, measurement input 0.14    
Cactus II Pipeline LLC | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow | Intangible Assets      
Business Acquisition [Line Items]      
Business combination, measurement input 0.18    
Cactus II Pipeline LLC | Western Midstream Partners, LP      
Business Acquisition [Line Items]      
Payments to acquire businesses, gross $ 88    
Cactus II Pipeline LLC | Plains and Enbridge | Western Midstream Partners, LP      
Business Acquisition [Line Items]      
Additional interest acquired (as a percent) 15.00%    
Payments to acquire businesses, gross $ 265    
Cactus II Pipeline LLC | Enbridge      
Business Acquisition [Line Items]      
Additional interest acquired (as a percent) 10.00%    
Cactus II Pipeline LLC | Enbridge | Western Midstream Partners, LP      
Business Acquisition [Line Items]      
Payments to acquire businesses, gross $ 177