XML 123 R95.htm IDEA: XBRL DOCUMENT
v3.25.1

Capital Disclosures - Narrative (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Debt to book capitalization | 32.00% | 20.00%
Bottom of range |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Debt to book capitalization, target | 25.00% |
Top of range |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Debt to book capitalization, target | 45.00% |
Debt to book capitalization ratio | 65.00% |

X
- Definition Debt Instrument, Debt To Book Capitalization Ratio + References No definition available. + Details
Name: | cnq_DebtInstrumentDebtToBookCapitalizationRatio
Namespace Prefix: | cnq_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt To Book Capitalization Ratio + References No definition available. + Details
Name: | cnq_DebtToBookCapitalizationRatio
Namespace Prefix: | cnq_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt To Book Capitalization Ratio, Target + References No definition available. + Details
Name: | cnq_DebtToBookCapitalizationRatioTarget
Namespace Prefix: | cnq_
Data Type: | dtr-types: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_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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