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GENERAL - Narrative (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Summary of Significant Accounting Policies [Line Items]    
Equity method investment amounts $ 2,989 $ 3,159
Noncontrolling interest 505 $ 321
Variable Interest Entity, Primary Beneficiary    
Summary of Significant Accounting Policies [Line Items]    
Construction in progress 1,100  
BlackRock, Inc.    
Summary of Significant Accounting Policies [Line Items]    
Equity method investment amounts 453  
Equity method investment commitments $ 550  
WES Midstream    
Summary of Significant Accounting Policies [Line Items]    
Limited partner interest 43.50%  
Non-voting limited partner interest 2.00%  
Equity method investment ownership percentage 45.90%  
WES Midstream | WES Midstream    
Summary of Significant Accounting Policies [Line Items]    
Non-voting general partner interest 2.30%