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INVESTMENTS AND RELATED-PARTY TRANSACTIONS - Equity Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Equity Method Investments    
Equity method investment amounts $ 2,475 $ 2,646
Deferred credits and other liabilities $ 17,537 $ 16,465
WES    
Equity Method Investments    
Equity method investment ownership percentage 43.10%  
Equity method investment amounts $ 2,032  
NET Power    
Equity Method Investments    
Equity method investment ownership percentage 40.30%  
Equity method investment amounts $ 0  
DEL    
Equity Method Investments    
Equity method investment ownership percentage 24.50%  
Equity method investment amounts $ 0  
Deferred credits and other liabilities 220  
Other    
Equity Method Investments    
Equity method investment amounts $ 443