XML 88 R58.htm IDEA: XBRL DOCUMENT v3.21.2

Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Disclosure Of Accumulated Other Comprehensive Income Loss [Abstract]

Summary of Accumulated Other Comprehensive Income (Loss)

			Defined Benefit Pension Plan												Private Equity Instruments												Foreign Currency Translation Adjustment												Total
As at December 31, 2019						(2)												27												802												827
Other Comprehensive Income (Loss), Before Tax						(4)												1												127												124
Income Tax (Expense) Recovery						1												—												—												1
As at September 30, 2020						(5)												28												929												952
As at December 31, 2020						(10)												27												758												775
Other Comprehensive Income (Loss), Before Tax						27												—												(76)												(49)
Income Tax (Expense) Recovery						(6)												—												—												(6)
As at September 30, 2021						11												27												682												720

X

- Definition

Disclosure of accumulated other comprehensive income loss.

+ References

No definition available.

+ Details

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

X

- Definition

Disclosure of accumulated other comprehensive income loss.

+ References

No definition available.

+ Details

Name:	cve_DisclosureOfAccumulatedOtherComprehensiveIncomeLossExplanatoryTableTextBlock
Namespace Prefix:	cve_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration