v3.25.4
Fair Value Measurement - Net Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financial assets    
Investments in debt securities $ 1,601 $ 1,551
Carrying Amount    
Financial assets    
Commodity derivatives 237 210
Investments in debt securities 1,601 1,551
Financial liabilities    
Total debt, excluding finance leases 22,643 23,384
Carrying Amount | Commodity    
Financial liabilities    
Commodity derivatives 124 129
Fair Value    
Financial assets    
Commodity derivatives 237 210
Investments in debt securities 1,601 1,551
Financial liabilities    
Total debt, excluding finance leases 22,698 22,997
Fair Value | Commodity    
Financial liabilities    
Commodity derivatives $ 124 $ 129