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v3.25.2

Income Taxes (Narrative) (Details) | Jul. 04, 2025
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Subsequent Event [Member] |
Income Tax [Line Items] |
Percentage of bonus depreciation and domestic research cost expensing | 100.00%

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- Definition Income Tax [Line Items] + References No definition available. + Details
Name: | dvn_IncomeTaxLineItems
Namespace Prefix: | dvn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage Of Bonus Depreciation And Domestic Research Cost Expensing + References No definition available. + Details
Name: | dvn_PercentageOfBonusDepreciationAndDomesticResearchCostExpensing
Namespace Prefix: | dvn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |