XML 125 R95.htm IDEA: XBRL DOCUMENT
v3.21.2

Contingent Payment - Additional Information (Detail) $ in Millions |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 17, 2021 CAD ($) $ / bbl | Sep. 30, 2021 CAD ($) | Dec. 31, 2020 CAD ($)
Disclosure of contingent liabilities in business combination [line items] |  |  |
Contingent payable |  | $ 242 |
Conoco Phillips Company and certain of its subsidiaries |  |  |
Disclosure of contingent liabilities in business combination [line items] |  |  |
Contingent payments period | 5 years |  |
Average crude oil price | $ / bbl | 52.00 |  |
Quarterly contingent payment | $ 6 |  |
Contingent payable |  | $ 119 | $ 0

X
- Definition Average crude oil price. + References No definition available. + Details
Name: | cve_AverageCrudeOilPrice
Namespace Prefix: | cve_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contingent consideration payment period. + References No definition available. + Details
Name: | cve_ContingentConsiderationPaymentPeriod
Namespace Prefix: | cve_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the quarterly contingent payment that will be required for each dollar in excess of specified average crude oil price per barrel based on acquisition agreement. + References No definition available. + Details
Name: | cve_QuarterlyContingentConsiderationPaymentForEachDollarInExcessOfAverageCrudeOilPricePerBarrelSpecifiedInAcquisitionAgreement
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfContingentLiabilitiesInBusinessCombinationLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of contingent liabilities recognised in a business combination that were settled. [Refer: Contingent liabilities recognised in business combination] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
Name: | ifrs-full_SettledLiabilitiesContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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