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Litigation (Details) $ in Billions | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2011 USD ($) | Sep. 30, 2023 lawsuit | Dec. 31, 1991
Ecuador Litigation | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Remediation program term (in years) |  |  | 3 years
Amount assessed in damages | $ | $ 9.5 |  |
Climate Change |  |  |
Loss Contingencies [Line Items] |  |  |
Claims dismissed (in number of claims) |  | 1 |
Climate Change | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Pending lawsuits and claims (in number of claims) |  | 25 |
Coastal Erosion | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Pending lawsuits and claims (in number of claims) |  | 39 |

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