XML 199 R164.htm IDEA: XBRL DOCUMENT v3.22.0.1

Stock-Based Compensation Plans - Summary of Options Outstanding and Exercisable by Range of Exercise Price (Detail) shares in Thousands	12 Months Ended
	Dec. 31, 2021 shares $ / shares	Dec. 31, 2020 shares $ / shares
Net settlement rights
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	27,233	30,597
Outstanding Weighted Average Remaining Contractual Life	3 years 9 months 29 days
Outstanding Weighted Average Exercise Price	$ 13.06	$ 18.52
Exercisable Number | shares	16,949
Exercisable Weighted Average Exercise Price	$ 14.94
Net settlement rights | 5.00 to 9.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	8,365
Outstanding Weighted Average Remaining Contractual Life	5 years 3 months 3 days
Outstanding Weighted Average Exercise Price	$ 8.92
Exercisable Number | shares	2,478
Exercisable Weighted Average Exercise Price	$ 9.48
Net settlement rights | 5.00 to 9.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	5.00
Net settlement rights | 5.00 to 9.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 9.99
Net settlement rights | 10.00 to 14.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	13,126
Outstanding Weighted Average Remaining Contractual Life	4 years 3 months 14 days
Outstanding Weighted Average Exercise Price	$ 12.26
Exercisable Number | shares	8,729
Exercisable Weighted Average Exercise Price	$ 12.54
Net settlement rights | 10.00 to 14.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	10.00
Net settlement rights | 10.00 to 14.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 14.99
Net settlement rights | 15.00 to 19.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	2,680
Outstanding Weighted Average Remaining Contractual Life	1 year 3 months 21 days
Outstanding Weighted Average Exercise Price	$ 19.47
Exercisable Number | shares	2,680
Exercisable Weighted Average Exercise Price	$ 19.47
Net settlement rights | 15.00 to 19.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	15.00
Net settlement rights | 15.00 to 19.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 19.99
Net settlement rights | 20.00 to 24.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	3,062
Outstanding Weighted Average Remaining Contractual Life	1 month 24 days
Outstanding Weighted Average Exercise Price	$ 22.25
Exercisable Number | shares	3,062
Exercisable Weighted Average Exercise Price	$ 22.25
Net settlement rights | 20.00 to 24.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	20.00
Net settlement rights | 20.00 to 24.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 24.99
Replacement Stock Options
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	12,256	0
Outstanding Weighted Average Remaining Contractual Life	1 year 6 months 29 days
Outstanding Weighted Average Exercise Price	$ 15.21	$ 0
Exercisable Number | shares	8,395
Exercisable Weighted Average Exercise Price	$ 18.96
Replacement Stock Options | 3.00 to 4.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	3,602
Outstanding Weighted Average Remaining Contractual Life	2 years 8 months 4 days
Outstanding Weighted Average Exercise Price	$ 3.54
Exercisable Number | shares	772
Exercisable Weighted Average Exercise Price	$ 3.54
Replacement Stock Options | 3.00 to 4.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	3.00
Replacement Stock Options | 3.00 to 4.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 4.99
Replacement Stock Options | 5.00 to 9.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	164
Outstanding Weighted Average Remaining Contractual Life	3 years 2 months 12 days
Outstanding Weighted Average Exercise Price	$ 6.03
Exercisable Number | shares	34
Exercisable Weighted Average Exercise Price	$ 5.95
Replacement Stock Options | 5.00 to 9.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	5.00
Replacement Stock Options | 5.00 to 9.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 9.99
Replacement Stock Options | 10.00 to 14.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	58
Outstanding Weighted Average Remaining Contractual Life	2 years 8 months 1 day
Outstanding Weighted Average Exercise Price	$ 12.66
Exercisable Number | shares	41
Exercisable Weighted Average Exercise Price	$ 12.62
Replacement Stock Options | 10.00 to 14.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	10.00
Replacement Stock Options | 10.00 to 14.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 14.99
Replacement Stock Options | 15.00 to 19.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	2,896
Outstanding Weighted Average Remaining Contractual Life	1 year 9 months 7 days
Outstanding Weighted Average Exercise Price	$ 18.43
Exercisable Number | shares	2,012
Exercisable Weighted Average Exercise Price	$ 18.47
Replacement Stock Options | 15.00 to 19.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	15.00
Replacement Stock Options | 15.00 to 19.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 19.99
Replacement Stock Options | 20.00 to 24.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	5,384
Outstanding Weighted Average Remaining Contractual Life	8 months 4 days
Outstanding Weighted Average Exercise Price	$ 21.23
Exercisable Number | shares	5,384
Exercisable Weighted Average Exercise Price	$ 21.23
Replacement Stock Options | 20.00 to 24.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	20.00
Replacement Stock Options | 20.00 to 24.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 24.99
Replacement Stock Options | 25.00 to 29.99
Disclosure of range of exercise prices of outstanding share options [Line Items]
Outstanding Number | shares	152
Outstanding Weighted Average Remaining Contractual Life	1 year 6 months 29 days
Outstanding Weighted Average Exercise Price	$ 27.88
Exercisable Number | shares	152
Exercisable Weighted Average Exercise Price	$ 27.88
Replacement Stock Options | 25.00 to 29.99 | Bottom of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	25.00
Replacement Stock Options | 25.00 to 29.99 | Top of range
Disclosure of range of exercise prices of outstanding share options [Line Items]
Exercise price of warrants	$ 29.99

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_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options exercisable in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vii&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vii&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=cve_NetSettlementRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_FivePointZeroZeroToNinePointNineNineMember
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_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_TenPointZeroZeroToFourteenPointNineNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_FifteenPointZeroZeroToNineteenPointNineNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_TwentyPointZeroZeroToTwentyFourPointNineNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=cve_CenovusReplacementStockOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_ThreePointZeroZeroToFourPointNineNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cve_TwentyFivePointZeroZeroToTwentyNinePointNineNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: