XML 217 R182.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Risk Management - Undiscounted Cash Outflows Relating to Financial Liabilities (Detail) - CAD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts payable and accrued liabilities |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | $ 6,353 | $ 2,018
Accounts payable and accrued liabilities | 1 Year |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 6,353 | 2,018
Short-Term Borrowings |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 79 | 121
Short-Term Borrowings | 1 Year |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 79 | 121
Long-Term Debt |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 19,664 | 12,943
Long-Term Debt | 1 Year |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 561 | 385
Long-Term Debt | Years 2 and 3 |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 1,608 | 1,965
Long-Term Debt | 2024 to 2026 |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 2,603 | 1,966
Long-Term Debt | Thereafter |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 14,892 | 8,627
Contingent Payment |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 238 | 64
Contingent Payment | 1 Year |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 238 | 36
Contingent Payment | Years 2 and 3 |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 0 | 28
Lease Liabilities |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 5,073 | 2,476
Lease Liabilities | 1 Year |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 453 | 254
Lease Liabilities | Years 2 and 3 |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 794 | 445
Lease Liabilities | 2024 to 2026 |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | 634 | 365
Lease Liabilities | Thereafter |  |
Disclosure of Maturity Analysis for Financial Liabilities [Line Items] |  |
Financial instruments | $ 3,192 | $ 1,412

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

X
- Definition The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=cve_AccountsPayablesAndAccruedLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=ifrs-full_ShorttermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=ifrs-full_LongtermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=cve_ContingentPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |