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Acquisitions, Divestitures and Other Transactions - Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Millions
1 Months Ended
Nov. 30, 2022
Oct. 31, 2021
Dec. 31, 2022
Cactus II Pipeline LLC      
Business Acquisition [Line Items]      
Property and equipment acquired $ 1,174    
Intangible assets 428    
Working capital and other assets and liabilities (46)    
Identifiable assets acquired and liabilities assumed $ 1,556    
Estimated Useful Lives (in years) 20 years    
Cactus II Pipeline LLC | Minimum      
Business Acquisition [Line Items]      
Estimated Useful Lives (in years) 3 years    
Cactus II Pipeline LLC | Maximum      
Business Acquisition [Line Items]      
Estimated Useful Lives (in years) 50 years    
Plains Oryx Permian Basin LLC (Permian JV) | Oryx Midstream Holdings LLC | Joint Venture Formation      
Business Acquisition [Line Items]      
Property and equipment acquired     $ 1,886
Intangible assets     1,247
Investment in unconsolidated entities     103
Working capital and other assets and liabilities     (6)
Identifiable assets acquired and liabilities assumed     $ 3,230
Estimated Useful Lives (in years)   20 years  
Plains Oryx Permian Basin LLC (Permian JV) | Oryx Midstream Holdings LLC | Joint Venture Formation | Minimum      
Business Acquisition [Line Items]      
Estimated Useful Lives (in years)   3 years  
Plains Oryx Permian Basin LLC (Permian JV) | Oryx Midstream Holdings LLC | Joint Venture Formation | Maximum      
Business Acquisition [Line Items]      
Estimated Useful Lives (in years)   30 years