XML 161 R125.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Exploration and Evaluation Assets, Net - Summary of Exploration and Valuation Assets, Net (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Beginning Balance | $ 685 |
Write-downs | (42) | $ (101)
Ending Balance | 738 | 685
Conventional |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Beginning Balance | 6 |
Ending Balance | 0 | 6
Oil Sands |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Beginning Balance | 674 |
Ending Balance | 729 | 674
Exploration and evaluation costs previously capitalized, written off | 14 |
Offshore |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Beginning Balance | 5 |
Ending Balance | 9 | 5
Exploration and evaluation costs previously capitalized, written off | 9 |
E&E Asset |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Beginning Balance | 685 | 720
Additions | 84 | 37
Transfer to PP&E (Note 19) | (60) |
Write-downs | (29) | (64)
Change in Decommissioning Liabilities | 28 | (12)
Exchange Rate Movements and Other | (1) | 4
Acquisition | 31 |
Ending Balance | 738 | 685
E&E Asset | Conventional |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Exploration and evaluation costs previously capitalized, written off | $ 6 |
E&E Asset | Oil Sands |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Exploration and evaluation costs previously capitalized, written off |  | 2
E&E Asset | Offshore |  |
Disclosure Of Exploration And Evaluation Assets [Line Items] |  |
Exploration and evaluation costs previously capitalized, written off |  | $ 62

X
- Definition Additions of exploration and evaluation assets. + References No definition available. + Details
Name: | cve_AdditionsOfExplorationAndEvaluationAssets
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure of exploration and evaluation assets line items. + References No definition available. + Details
Name: | cve_DisclosureOfExplorationAndEvaluationAssetsLineItems
Namespace Prefix: | cve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exploration And Evaluation Costs Previously Capitalized, Written Off + References No definition available. + Details
Name: | cve_ExplorationAndEvaluationCostsPreviouslyCapitalizedWrittenOff
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase decrease in exploration and evaluation assets from changes in provision for decommissioning restoration and rehabilitation costs. + References No definition available. + Details
Name: | cve_IncreaseDecreaseInExplorationAndEvaluationAssetsFromChangesInProvisionForDecommissioningRestorationAndRehabilitationCosts
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_iii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ChangesInPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2023-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2023-en-r&anchor=para_24_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of exploration and evaluation assets recognised as intangible assets in accordance with the entity's accounting policy. [Refer: Exploration and evaluation assets [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 119 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_119&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IntangibleExplorationAndEvaluationAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_SegmentsAxis=cve_ConventionalSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=cve_OilSandsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=cve_OffshoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_ExplorationAndEvaluationAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |