v3.26.1
Accounting for Derivative Instruments and Hedging Activities - Fair Value within the Derivative Instrument Valuation (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Derivative Liabilities   $ 3,222
Derivatives assets $ 4,805 3,757
Derivatives liabilities 4,447 3,360
Deferred gains/losses on NPNS contracts - current    
Derivative [Line Items]    
Derivatives assets 196 196
Derivatives liabilities 35 71
Deferred gains/losses on NPNS contracts - long-term    
Derivative [Line Items]    
Derivatives assets 357 426
Derivatives liabilities 47 67
Deferred gains/losses on NPNS contracts    
Derivative [Line Items]    
Derivatives assets 553 622
Derivatives liabilities 82 138
Not Designated as Hedging Instrument    
Derivative [Line Items]    
Derivative Assets 4,252 3,135
Derivative Liabilities 4,365 3,222
Not Designated as Hedging Instrument | Interest rate contracts current    
Derivative [Line Items]    
Derivative Assets 1 0
Derivative Liabilities 0 4
Not Designated as Hedging Instrument | Interest rate contracts long-term    
Derivative [Line Items]    
Derivative Assets 9 0
Derivative Liabilities 0 0
Not Designated as Hedging Instrument | Foreign exchange contracts - current    
Derivative [Line Items]    
Derivative Assets 9 2
Derivative Liabilities 0 1
Not Designated as Hedging Instrument | Foreign exchange contracts - long-term    
Derivative [Line Items]    
Derivative Assets 3 1
Derivative Liabilities 0 2
Not Designated as Hedging Instrument | Commodity contracts - current    
Derivative [Line Items]    
Derivative Assets 2,982 1,991
Derivative Liabilities 2,917 1,997
Not Designated as Hedging Instrument | Commodity contracts - long-term    
Derivative [Line Items]    
Derivative Assets 1,248 1,141
Derivative Liabilities 1,177 935
Not Designated as Hedging Instrument | Consumer Financing Program - current    
Derivative [Line Items]    
Derivative Assets 0 0
Derivative Liabilities 168 184
Not Designated as Hedging Instrument | Consumer Financing Program - long-term    
Derivative [Line Items]    
Derivative Assets 0 0
Derivative Liabilities $ 103 $ 99