v3.26.1
Fair Value Measures - Fair Value of Financial Assets and Liabilities (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets:    
Total commodity derivatives $ 920 $ 618
Other non-current assets 210 209
Total assets 1,130 827
Liabilities:    
Total commodity derivatives (1,332) (454)
Total liabilities (1,332) (454)
Level 1    
Assets:    
Total commodity derivatives 858 531
Other non-current assets 210 209
Total assets 1,068 740
Liabilities:    
Total commodity derivatives (1,257) (404)
Total liabilities (1,257) (404)
Level 2    
Assets:    
Total commodity derivatives 62 87
Other non-current assets 0 0
Total assets 62 87
Liabilities:    
Total commodity derivatives (75) (50)
Total liabilities $ (75) $ (50)