XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Summary Of Significant Accounting Policies (Narrative) (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 07, 2021 | Sep. 30, 2022 USD ($) a | Sep. 30, 2022 USD ($) a | Sep. 30, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Restricted cash |  | $ 144 | $ 144 | $ 177
Canada [Member] | Barnett Shale [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Restricted cash |  | 125 | $ 125 |
Cash payments for divestitures |  | $ 10 |  |
Devon and WPX Agreement [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Date of agreement | Jan. 07, 2021 |  | Jan. 07, 2021 |
Conversion of common stock into right to recieve per share | 0.5165 |  |  |
WPX and Howard Energy Partners [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Voting interest in the join venture legal entity |  | 50.00% | 50.00% |
Catalyst [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Area of land | a |  | 50,000 | 50,000 |

X
- Definition Business combination consideration transferred exchange ratio. + References No definition available. + Details
Name: | dvn_BusinessCombinationConsiderationTransferredExchangeRatio
Namespace Prefix: | dvn_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash payments for divestitures per quarter. + References No definition available. + Details
Name: | dvn_CashPaymentsForDivestituresPerQuarter
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | dvn_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | dvn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date when the business acquisition agreement was executed, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_RestrictedCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dvn_BusinessAcquisitionAndDisposalAxis=dvn_BarnettShaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dvn_DevonAndWPXAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dvn_WPXAndHowardEnergyPartnersAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dvn_CatalystMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |