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Stock-Based Compensation Plans - Narrative (Detail) - $ / shares | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Feb. 28, 2023
Minimum |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Performance share unit plan, vesting multiplier, percent |  | 0.00%
Maximum |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Performance share unit plan, vesting multiplier, percent |  | 200.00%
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) | $ 13.62 |
Common shares issued in exercise of other equity instruments (in shares) | 49,000 |
Cenovus Replacement Stock Options |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Weighted average exercise price (in CAD per share) | $ 6.52 |
Common shares issued in exercise of other equity instruments (in shares) | 2,000 |

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