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Accounting for Derivative Instruments and Hedging Activities - Fair Value Within the Derivative Instrument Valuation (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |
Derivative Assets | $ 4,396 | $ 6,155
Derivative Liabilities | $ 3,404 | 5,507
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Derivative Instruments and Hedges, Assets |
Deferred gains/losses on NPNS contracts - current |  |
Derivative [Line Items] |  |
Derivative Assets | $ 376 | 0
Derivative Liabilities | 90 | 0
Deferred gains/losses on NPNS contracts - long-term |  |
Derivative [Line Items] |  |
Derivative Assets | 621 | 0
Derivative Liabilities | 137 | 0
Derivative Contract-NPNS |  |
Derivative [Line Items] |  |
Derivative Assets | 997 | 0
Derivative Liabilities | 227 | 0
Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Derivative Assets | 3,399 | 6,155
Derivative Liabilities | 3,177 | 5,507
Not Designated as Hedging Instrument | Interest rate contracts - current |  |
Derivative [Line Items] |  |
Derivative Assets | 0 | 12
Derivative Liabilities | 3 | 0
Not Designated as Hedging Instrument | Interest rate contracts long-term |  |
Derivative [Line Items] |  |
Derivative Assets | 9 | 0
Derivative Liabilities | 0 | 8
Not Designated as Hedging Instrument | Foreign exchange contracts - current |  |
Derivative [Line Items] |  |
Derivative Assets | 15 | 3
Derivative Liabilities | 0 | 4
Not Designated as Hedging Instrument | Foreign exchange contracts - long-term |  |
Derivative [Line Items] |  |
Derivative Assets | 7 | 2
Derivative Liabilities | 1 | 5
Not Designated as Hedging Instrument | Commodity contracts- current |  |
Derivative [Line Items] |  |
Derivative Assets | 2,295 | 3,847
Derivative Liabilities | 2,067 | 3,922
Not Designated as Hedging Instrument | Commodity contracts- long-term |  |
Derivative [Line Items] |  |
Derivative Assets | 1,073 | 2,291
Derivative Liabilities | 903 | 1,434
Not Designated as Hedging Instrument | Consumer Financing Program - current |  |
Derivative [Line Items] |  |
Derivative Assets | 0 | 0
Derivative Liabilities | 137 | 93
Not Designated as Hedging Instrument | Consumer Financing Program - long-term |  |
Derivative [Line Items] |  |
Derivative Assets | 0 | 0
Derivative Liabilities | $ 66 | $ 41

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