XML 124 R94.htm IDEA: XBRL DOCUMENT v3.21.2

Contingent Payment - Summary of Contingent Payment (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2021 CAD ($)
Disclosure of contingent liabilities in business combination [abstract]
Contingent liabilities recognised in business combination at beginning of period	$ 63
Re-measurement	571
Liabilities Settled or Payable	(242)
Contingent liabilities recognised in business combination at end of period	$ 392

X

- Definition

Re-measurement of contingent payments.

+ References

No definition available.

+ Details

Name:	cve_ReMeasurementOfContingentPayments
Namespace Prefix:	cve_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]]

+ 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_ContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfContingentLiabilitiesInBusinessCombinationAbstract
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