XML 104 R76.htm IDEA: XBRL DOCUMENT
v3.25.1

Long-Term Debt - Narrative (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 CAD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CAD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | $ 18,819 |  | $ 10,799 |  |
Borrowings, interest rate | 3.80% |  |  | 3.80% |
Letters of credit and guarantees outstanding | $ 1,542 |  | 446 |  |
Bank credit facilities |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Undrawn borrowing facilities | 4,562 |  |  |  |
Non-revolving credit facility maturing December 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | 4,000 |  |  |  |
Maximum credit facility | 4,000 |  |  |  |
Commercial Paper |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | 672 |  |  | $ 467,000,000 | $ 0
Maximum credit facility |  |  |  | $ 2,500,000,000 |
Demand credit facility |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Maximum credit facility | 100 |  |  |  |
Revolving Credit Facility Maturing February 2026 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Maximum credit facility | 500 |  | 500 |  |
Revolving Syndicated Credit Facility Maturing June 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Maximum credit facility | 2,425 |  | $ 2,425 |  |
Revolving Syndicated Credit Facility Maturing June 2028 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Maximum credit facility | $ 2,425 |  |  |  |
Bank Credit Facilities And Commercial Paper Outstanding | Weighted average |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 5.40% |  | 0.00% | 5.40% | 0.00%
Long-term debt | Weighted average |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 4.90% |  | 4.80% | 4.90% | 4.80%
4.15% debentures due December 15, 2031 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | $ 500 |  |  |  |
Borrowings, interest rate | 4.15% |  |  | 4.15% |
Medium Term Borrowings Three Point Five Five Percent Debentures |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 3.55% |  |  | 3.55% |
Repayment of long-term debt | $ 320 |  |  |  |
Medium Term Borrowings One Point Four Five Percent Debentures |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate |  |  | 1.45% |  | 1.45%
Repayment of long-term debt |  |  | $ 405 |  |
Medium-term borrowings expiring August 2025 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Base shell prospectus borrowings, authorized |  |  | 3,000 |  |
5.40% due December 15, 2034 (US$750 million) |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | $ 1,080 |  | $ 0 | $ 750,000,000 |
Borrowings, interest rate | 5.40% |  |  | 5.40% |
5.00% due December 15, 2029 (US$750 million) |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings |  |  |  | $ 750,000,000 |
Borrowings, interest rate | 5.00% |  |  | 5.00% |
US dollar denominated debt, unsecured |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Repayment of long-term debt |  | $ 500,000,000 |  |  |
Base shell prospectus borrowings, authorized |  |  |  |  | $ 3,000,000,000
3.90% due February 1, 2025 (US$600 million) |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings |  |  |  | $ 600,000,000 |
Borrowings, interest rate | 3.90% |  |  | 3.90% |

X
- Definition Borrowings, Amount Authorized In Base Shelf Prospectus + References No definition available. + Details
Name: | cnq_BorrowingsAmountAuthorizedInBaseShelfProspectus
Namespace Prefix: | cnq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Letters Of Credit And Guarantees Outstanding, Amount + References No definition available. + Details
Name: | cnq_LettersOfCreditAndGuaranteesOutstandingAmount
Namespace Prefix: | cnq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line Of Credit Facility, Maximum Borrowing Capacity1 + References No definition available. + Details
Name: | cnq_LineOfCreditFacilityMaximumBorrowingCapacity1
Namespace Prefix: | cnq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_d&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 50 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_50_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_UndrawnBorrowingFacilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_CreditFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_NonRevolvingSyndicatedCreditFacilityMaturingDecember2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_CommercialPaper1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_DemandCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_RevolvingCreditFacilityMaturingFebruary2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_RevolvingCreditFacilityMaturingJune2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_RevolvingSyndicatedCreditFacilityMaturingJune2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_BankCreditFacilitiesAndCommercialPaperOutstandingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_MediumTermBorrowingsFourPointOneFivePercentDebenturesDueDecember2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_MediumTermBorrowingsThreePointFiveFivePercentDebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_MediumTermBorrowingsOnePointFourFivePercentDebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_MediumTermBorrowingsExpiringAugustTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_LongTermBorrowingsFivePointFourZeroPercentDueDecember2034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_LongTermBorrowingsFivePointZeroZeroPercentDueDecember2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_LongTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cnq_LongTermBorrowingsThreePointNineZeroPercentDueFebruary2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |