XML 218 R182.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Risk Management - Impact of Fluctuating Commodity Prices and Interest Rates on Company's Open Risk Management Positions (Detail) - Currency risk $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 CAD ($) $ / $ | Dec. 31, 2022 CAD ($)
Disclosure of Nature and Extent of Risks Arising from Financial Instruments [Line Items] |  |
Increase | $ 197 | $ 246
Decrease | $ (197) | $ (246)
Canadian to U.S. Dollar Exchange Rate |  |
Disclosure of Nature and Extent of Risks Arising from Financial Instruments [Line Items] |  |
Sensitivity Range | $ / $ | 0.05 |

X
- Definition Change in price estimation under sensitivity analysis. + References No definition available. + Details
Name: | cve_ChangeInPriceEstimationUnderSensitivityAnalysis
Namespace Prefix: | cve_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Theoretical impact to foreign exchange gain loss from decrease in foreign exchange rate sensitivity. + References No definition available. + Details
Name: | cve_TheoreticalImpactToForeignExchangeGainLossFromDecreaseInForeignExchangeRateSensitivity
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Theoretical impact to foreign exchange gain loss from increase in foreign exchange rate sensitivity. + References No definition available. + Details
Name: | cve_TheoreticalImpactToForeignExchangeGainLossFromIncreaseInForeignExchangeRateSensitivity
Namespace Prefix: | cve_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=cve_CanadianToUSDollarExchangeRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |