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: