XML 60 R45.htm IDEA: XBRL DOCUMENT
v3.23.2

Summary of Significant Accounting Policies - (Schedule of Components of Investments) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Summary Of Significant Accounting Policies [Line Items] |  |
Total Investments | $ 675 | $ 440
Catalyst [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Total Investments | $ 324 | 339
Percentage Of Interest In Investments | 50.00% |
Water JV [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Total Investments | $ 212 |
Percentage Of Interest In Investments | 30.00% |
Matterhorn [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Total Investments | $ 90 | 54
Percentage Of Interest In Investments | 12.50% |
Other Member |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Total Investments | $ 49 | $ 47

X
- Definition Percentage Of Interest In Investments + References No definition available. + Details
Name: | dvn_PercentageOfInterestInInvestments
Namespace Prefix: | dvn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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 Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(h)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
Name: | us-gaap_Investments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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