XML 140 R104.htm IDEA: XBRL DOCUMENT
v3.22.4

Integration and Transaction Costs (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about business combination [line items] |  |  |  |  |
Integration and Transaction Costs | $ 106 | $ 349 | [1] | $ 29 | [1]
Husky Energy, Inc. |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |
Integration and Transaction Costs | 90 | $ 349 |  | $ 29 |
Sunrise Oil Sands Partnership And Toledo CGU |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination | $ 16 |  |  |  |
[1] | See Note 3X for revisions to prior period results.

X
- Definition Integration costs + References No definition available. + Details
Name: | cve_IntegrationCosts
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of acquisition-related costs for transactions recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph m -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_m&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
Name: | ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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