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Litigation (Details) - Pending Litigation $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 13, 2013 USD ($) | Feb. 28, 2011 USD ($) | Dec. 31, 1991 | Dec. 31, 2021 lawsuit
Ecuador Litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Remediation program term (in years) |  |  | 3 years |
Damages awarded | $ | $ 9,500 | $ 9,500 |  |
Climate Change |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Pending lawsuits and claims (in number of claims) |  |  |  | 21
Coastal Erosion |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Pending lawsuits and claims (in number of claims) |  |  |  | 39

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- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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