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Joint Arrangements - Joint Operations (Details) | 12 Months Ended
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Dec. 31, 2024
Disclosure of joint operations [line items] |
Proportion of ownership interest in joint operation | 100.00%
WRB Refining LP |
Disclosure of joint operations [line items] |
Proportion of ownership interest in joint operation | 50.00%
WRB Refining LP | Phillips 66 |
Disclosure of joint operations [line items] |
Proportion of ownership interest in joint operation | 50.00%

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- 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
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Total for all joint operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_JointOperationsAxis=cve_WRBRefiningLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=cve_Phillips66Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |