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Acquisitions, Divestitures and Other Transactions - Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Oct. 31, 2021
Dec. 31, 2021
Minimum | Customer contracts and relationships    
Business Acquisition [Line Items]    
Estimated Useful Lives (in years)   3 years
Maximum | Customer contracts and relationships    
Business Acquisition [Line Items]    
Estimated Useful Lives (in years)   31 years
Plains Oryx Permian Basin LLC (Permian JV) | Joint Venture Formation | Customer contracts and relationships    
Business Acquisition [Line Items]    
Estimated Useful Lives (in years) 20 years  
Plains Oryx Permian Basin LLC (Permian JV) | Joint Venture Formation | Level 3    
Business Acquisition [Line Items]    
Identifiable assets acquired and liabilities assumed $ 3,256  
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  
Linefill 5  
Working capital and other assets and liabilities 15  
Identifiable assets acquired and liabilities assumed $ 3,256  
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]    
Property, Plant and Equipment, Useful Life 3 years  
Plains Oryx Permian Basin LLC (Permian JV) | Oryx Midstream Holdings LLC | Joint Venture Formation | Maximum    
Business Acquisition [Line Items]    
Property, Plant and Equipment, Useful Life 30 years