XML 150 R125.htm IDEA: XBRL DOCUMENT
v3.22.2

Commitments and Contingencies - Narrative (Details) - CAD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Total Payments | $ 36,941 |
Outstanding letters of credit | 514 | $ 565
Decommissioning Liabilities | 2,788 | 3,906
HMLP |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Total Payments | $ 2,300 | $ 2,600

X
- Definition Disclosure Of Commitments And Contingent Liabilities [Line Items] + References No definition available. + Details
Name: | cve_DisclosureOfCommitmentsAndContingentLiabilitiesLineItems
Namespace Prefix: | cve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Letters of credit issued as security for performance. + References No definition available. + Details
Name: | cve_LettersOfCreditIssuedAsSecurityForPerformance
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_CapitalCommitments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Section D Examples: disclosures -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D__IAS37_IE_D_TI -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 87 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_87&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=cve_HMLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |