v3.26.1
Fair Value of Financial Instruments - Assets and Liabilities Measured and Recorded at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in securities (classified within other current and non-current assets) $ 34 $ 33
Measured using net asset value practical expedient:    
Total assets 4,293 3,175
Derivative liabilities:    
Derivative contracts   3,222
Total liabilities 4,365  
Derivative asset, NPNS election 553 622
Derivative liabilities, NPNS election 82 138
Interest rate contracts    
Derivative assets:    
Derivative contracts 10  
Derivative liabilities:    
Derivative contracts   4
Foreign exchange    
Derivative assets:    
Derivative contracts 12 3
Derivative liabilities:    
Derivative contracts   3
Commodity contracts    
Derivative assets:    
Derivative contracts 4,783 3,754
Derivative contracts, excluding NPNS elected 4,230 3,132
Derivative liabilities:    
Derivative contracts 4,176 3,070
Derivative contracts, excluding NPNS elected 4,094 2,932
Consumer Financing Program    
Derivative liabilities:    
Derivative contracts 271 283
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in securities (classified within other current and non-current assets) 0 0
Measured using net asset value practical expedient:    
Total assets 325 267
Derivative liabilities:    
Derivative contracts   352
Total liabilities 476  
Level 1 | Interest rate contracts    
Derivative assets:    
Derivative contracts 0  
Derivative liabilities:    
Derivative contracts   0
Level 1 | Foreign exchange    
Derivative assets:    
Derivative contracts 0 0
Derivative liabilities:    
Derivative contracts   0
Level 1 | Commodity contracts    
Derivative assets:    
Derivative contracts, excluding NPNS elected 325 267
Derivative liabilities:    
Derivative contracts, excluding NPNS elected 476 352
Level 1 | Consumer Financing Program    
Derivative liabilities:    
Derivative contracts 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in securities (classified within other current and non-current assets) 34 33
Measured using net asset value practical expedient:    
Total assets 3,701 2,588
Derivative liabilities:    
Derivative contracts   2,384
Total liabilities 3,364  
Level 2 | Interest rate contracts    
Derivative assets:    
Derivative contracts 10  
Derivative liabilities:    
Derivative contracts   4
Level 2 | Foreign exchange    
Derivative assets:    
Derivative contracts 12 3
Derivative liabilities:    
Derivative contracts   3
Level 2 | Commodity contracts    
Derivative assets:    
Derivative contracts, excluding NPNS elected 3,645 2,552
Derivative liabilities:    
Derivative contracts, excluding NPNS elected 3,364 2,377
Level 2 | Consumer Financing Program    
Derivative liabilities:    
Derivative contracts 0 0
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in securities (classified within other current and non-current assets) 0 0
Derivative assets:    
Derivative contracts 260 313
Measured using net asset value practical expedient:    
Total assets 260 313
Derivative liabilities:    
Derivative contracts 525 486
Total liabilities 525  
Level 3 | Interest rate contracts    
Derivative assets:    
Derivative contracts 0  
Derivative liabilities:    
Derivative contracts   0
Level 3 | Foreign exchange    
Derivative assets:    
Derivative contracts 0 0
Derivative liabilities:    
Derivative contracts   0
Level 3 | Commodity contracts    
Derivative assets:    
Derivative contracts, excluding NPNS elected 260 313
Derivative liabilities:    
Derivative contracts, excluding NPNS elected 254 203
Level 3 | Consumer Financing Program    
Derivative liabilities:    
Derivative contracts 271 283
Net Asset Value | Equity Securities    
Measured using net asset value practical expedient:    
Equity securities $ 7 $ 7