XML 170 R112.htm IDEA: XBRL DOCUMENT
v3.20.4

Commitments And Contingencies (Narrative) (Details) $ in Millions | Dec. 31, 2020 USD ($)
--- | ---
Commitments And Contingencies Disclosure [Abstract] |
Accrued royalty claims | $ 40

X
- Definition Accrued royalty claims. + References No definition available. + Details
Name: | dvn_AccruedRoyaltyClaims
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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