XML 143 R113.htm IDEA: XBRL DOCUMENT
v3.24.1

Supplementary Oil And Gas Information (Unaudited) - Natural Gas Narrative (Details) - MMBbls | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reserve Quantities [Line Items] |  |  |
Sales of reserves in place (in Bcf) | 1 |  |
Natural Gas |  |  |
Reserve Quantities [Line Items] |  |  |
Change in proved developed and undeveloped reserves, net (in MMbbl) | 1,173 | 928 | 3,617
Extensions and discoveries (in MMbbl) | 1,185 | 251 | 545
Improved recovery (in MMbbl) | 603 | 192 | 161
Sales of reserves in place (in Bcf) | 6 | 0 | 1
Purchases of reserves in place (in MMbbl) | 0 | 228 | 1,654
Production (in Bcf) | 755 | 693 | 587
Economic revisions due to prices (in Bcf) | 88 | (575) | 708
Revisions of prior estimates (in Bcf) | 58 | 1,526 | 1,136

X
- Definition Proved Developed And Undeveloped Reserves, Economic Revisions Due To Prices + References No definition available. + Details
Name: | cnq_ProvedDevelopedAndUndevelopedReservesEconomicRevisionsDueToPrices
Namespace Prefix: | cnq_
Data Type: | dtr-types1:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Changes in proved reserve estimates resulting from application of improved recovery techniques. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesImprovedRecovery
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Volume increase (decrease) of proved reserves of oil and gas. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Production of proved reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesProduction
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchase of minerals in place. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sales of minerals in place. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace
Namespace Prefix: | srt_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_ReserveQuantitiesLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |