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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

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