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Mining Properties (Details) - Schedule of Mining Property’s Balance - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Schedule of Mining Property’s Balance [Line Items] |  |
Balance at beginning |  |
Additions | 5,301,820 |
Amortization |  |
Balance at ending | 5,301,820 |
Rosita Extension [Member] |  |
Schedule of Mining Property’s Balance [Line Items] |  |
Balance at beginning |  |
Additions | 5,301,820 |
Amortization |  |
Balance at ending | $ 5,301,820 |

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

X
- Definition Asset value. + References No definition available. + Details
Name: | cve_AssetValue
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems
Namespace Prefix: | cve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AmortisationExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cve_RositaExtensionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |