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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, 2023 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) | 12,158
Number of share options, exercisable (in shares) | 6,905
Number of share options, granted (in shares) | 1,571
Number of shares issued for stock options exercised (in shares) | 3,591
Number of share units, vested and exercised/paid out (in shares) | 3,392
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement (in CAD per share) | $ / shares | $ 12.94
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 | $ 17.22
Number of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in shares) | 199
Cenovus Replacement Stock Options |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share options, outstanding (in shares) | 1,095
Number of share options, exercisable (in shares) | 1,072
Number of share options, granted (in shares) | 0
Number of shares issued for stock options exercised (in shares) | 2,031
Number of share units, vested and exercised/paid out (in shares) | 2,028
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement (in CAD per share) | $ / shares | $ 10.11
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 | $ 3.54
Number of other equity instruments exercised or vested in share-based payment arrangement, settled for common shares (in shares) | 3
Performance Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 10,193
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 2,533
Number of share units, vested and exercised/paid out (in shares) | 972
Restricted Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 7,217
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 2,955
Number of share units, vested and exercised/paid out (in shares) | 2,299
Deferred Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 1,662
Number of share units, exercisable (in shares) | 1,662
Number of share units, granted (in shares) | 162
Number of share units, vested and exercised/paid out (in shares) | 33

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