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Contingencies and Commitments (Details) - Pending litigation $ in Millions |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 13, 2016 AUD ($) claim | Mar. 31, 2023 referee | Sep. 30, 2025 USD ($) | Dec. 13, 2016 USD ($) claim
Santos Ltd |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages sought | $ 1,470 |  |  |
Number of referees appointed | referee |  | 3 |  |
Estimate of possible loss | $ 236 |  |  |
Loss contingency receivable |  |  | $ 653,000,000 | $ 665,000,000
Santos Ltd Claim 1 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of claims | claim | 1 |  |  | 1
Panel referred damages awarded from other party | $ 700 |  |  |
Santos Ltd Claim 2 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Panel referred damages awarded from other party | $ 790 |  |  |

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