XML 134 R98.htm IDEA: XBRL DOCUMENT
v3.22.4

Acquisitions - BP - Refining LLC (Details) - BP-Husky Refining LLC - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Aug. 08, 2022 | Dec. 31, 2022
Disclosure of detailed information about business combination [line items] |  |
Agreement to purchase remaining ownership | 50.00% | 50.00%
Purchase of oil and gas assets | $ 300 |

X
- Definition Agreement to Purchase Remaining Ownership + References No definition available. + Details
Name: | cve_AgreementToPurchaseRemainingOwnership
Namespace Prefix: | cve_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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
- Definition The cash outflow for the purchase of oil and gas assets. [Refer: Oil and gas assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_PurchaseOfOilAndGasAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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