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Financial and Derivative Instruments - Additional Information (Details) $ in Millions | Mar. 31, 2022 USD ($)
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Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Deferred losses in accumulated other comprehensive losses due to Outstanding crude oil price hedging contracts | $ (2)

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- Definition Deferred Losses In Accumulated Other Comprehensive Losses Due To Outstanding Crude Oil Price Hedging Contracts + References No definition available. + Details
Name: | cvx_DeferredLossesInAccumulatedOtherComprehensiveLossesDueToOutstandingCrudeOilPriceHedgingContracts
Namespace Prefix: | cvx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration