XML 211 R174.htm IDEA: XBRL DOCUMENT v3.25.0.1

Material Accounting Policies - Additional information (Detail)	12 Months Ended
	Dec. 31, 2024
Land improvements and buildings | Bottom of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	10 years
Land improvements and buildings | Top of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	40 years
Office Improvements And Vehicles | Bottom of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	3 years
Office Improvements And Vehicles | Top of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	15 years
Rail Facilities | Bottom of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	10 years
Rail Facilities | Top of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	40 years
Refining Assets | Bottom of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	5 years
Refining Assets | Top of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	60 years
Other | Bottom of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	3 years
Other | Top of range
Disclosure Of Summary Of Significant Accounting Policies [Line Items]
Useful life measured as period of time, property, plant and equipment	60 years

X

- Definition

Disclosure of summary of significant accounting policies.

+ References

No definition available.

+ Details

Name:	cve_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix:	cve_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 73
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=cve_LandImprovementsAndBuildingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=cve_OfficeImprovementsAndVehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=cve_RailFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=cve_RefiningEquipmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: