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Contingencies and Commitments (Details) - Pending litigation $ in Millions, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2023 referee | Dec. 13, 2016 AUD ($) | Dec. 31, 2025 USD ($)
Santos Ltd |  |  |
Loss Contingencies [Line Items] |  |  |
Damages sought |  | $ 1,470 |
Number of referees appointed | referee | 3 |  |
Estimate of possible loss |  | 236 |
Loss contingency payments |  |  | $ 649
Reversal of revenue due to court ruling, amount repaid to customers |  |  | $ 643
Santos Ltd Claim 2 |  |  |
Loss Contingencies [Line Items] |  |  |
Panel referred damages awarded from other party |  | $ 790 |

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