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Related Party Transactions and Balances (Details) - USD ($)		12 Months Ended
	Nov. 03, 2022	Dec. 31, 2023	Dec. 31, 2022
Related Party Transactions and Balances (Details) [Line Items]
Fair value amount	$ 2,792,500	$ 2,075,000
Granted options shares (in Shares)			2,566,667
Tintina Holdings, Ltd [Member]
Related Party Transactions and Balances (Details) [Line Items]
Consulting fees		147,529	$ 103,514
Hovan Ventures LLC [Member]
Related Party Transactions and Balances (Details) [Line Items]
Consulting fees		7,000
Platoro West Inc. [Member]
Related Party Transactions and Balances (Details) [Line Items]
Fair value amount		$ 3,174,594	$ 6,496,785

X

- Definition

The amount of consulting fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	cve_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Fair Value Amount.

+ References

No definition available.

+ Details

Name:	cve_FairValueAmount
Namespace Prefix:	cve_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Granted options shares.

+ References

No definition available.

+ Details

Name:	cve_GrantedOptionsShares
Namespace Prefix:	cve_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=cve_TintinaHoldingsLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=cve_HovanVenturesLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=cve_PlatoroWestIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: