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Stock-Based Compensation Plans - Additional Information (Details) shares in Thousands | 9 Months Ended
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Sep. 30, 2025 $ / shares shares
Stock Options With Associated Net Settlement Rights |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Weighted average exercise price (in CAD per share) | $ / shares | $ 19.22
Common shares issued in exercise of other equity instruments (in shares) | 328
Cenovus Replacement Stock Options |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Common shares issued in exercise of other equity instruments (in shares) | 10

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- 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 2024-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2024-03-27 + Details
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