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Stock-Based Compensation Plans - Summary of Information Related to Cenovus's Stock-Based Compensation Plans (Detail) shares in Thousands | 9 Months Ended
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Sep. 30, 2024 shares $ / shares
Stock Options With Associated Net Settlement Rights |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share options, outstanding (in shares) | 8,664
Number of share options, exercisable (in shares) | 4,777
Number of share options, granted (in shares) | 2,402
Number of shares issued for stock options exercised (in shares) | 5,217
Number of share units, vested and exercised/paid out (in shares) | 4,426
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement (in CAD per share) | $ / shares | $ 10.54
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in CAD per share) | $ / shares | $ 11.98
Number of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in shares) | 791
Cenovus Replacement Stock Options |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share options, outstanding (in shares) | 388
Number of share options, exercisable (in shares) | 388
Number of share options, granted (in shares) | 0
Number of shares issued for stock options exercised (in shares) | 574
Number of share units, vested and exercised/paid out (in shares) | 537
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement (in CAD per share) | $ / shares | $ 7.78
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in CAD per share) | $ / shares | $ 5.17
Number of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in shares) | 37
Performance Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 7,202
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 6,354
Number of share units, vested and exercised/paid out (in shares) | 8,899
Restricted Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 8,171
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 3,385
Number of share units, vested and exercised/paid out (in shares) | 2,281
Deferred Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 1,736
Number of share units, exercisable (in shares) | 1,736
Number of share units, granted (in shares) | 187
Number of share units, vested and exercised/paid out (in shares) | 185

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