v3.26.1
Fair Value of Financial Instruments - Fair Value of Financial Assets and Liabilities (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets:    
Total commodity derivatives $ 826 $ 618
Other non-current assets 215 209
Total assets 1,042 827
Liabilities:    
Total commodity derivatives (760) (454)
Total liabilities (760) (454)
Interest Rate Derivative Assets, at Fair Value 1  
Level 1    
Assets:    
Total commodity derivatives 753 531
Other non-current assets 215 209
Total assets 968 740
Liabilities:    
Total commodity derivatives (692) (404)
Total liabilities (692) (404)
Interest Rate Derivative Assets, at Fair Value 0  
Level 2    
Assets:    
Total commodity derivatives 73 87
Other non-current assets 0 0
Total assets 74 87
Liabilities:    
Total commodity derivatives (68) (50)
Total liabilities (68) $ (50)
Interest Rate Derivative Assets, at Fair Value $ 1