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Stock-Based Compensation Plans - Summary of Information Related to Cenovus's Stock-Based Compensation Plans (Detail) | 6 Months Ended
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Jun. 30, 2022 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) | 16,006,000
Number of share options, exercisable (in shares) | 7,986,000
Number of share options, granted (in shares) | 1,991,000
Number of shares issued for stock options exercised (in shares) | 9,994,000
Number of share units, vested and exercised/paid out (in shares) | 9,182,000
Weighted average exercise price (in CAD per share) | $ / shares | $ 12.35
Cenovus Replacement Stock Options |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share options, outstanding (in shares) | 4,950,000
Number of share options, exercisable (in shares) | 3,484,000
Number of share options, granted (in shares) | 0
Number of shares issued for stock options exercised (in shares) | 4,699,000
Number of share units, vested and exercised/paid out (in shares) | 4,605,000
Weighted average exercise price (in CAD per share) | $ / shares | $ 12.39
Performance Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 8,718,000
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 3,202,000
Number of share units, vested and exercised/paid out (in shares) | 1,413,000
Restricted Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 6,764,000
Number of share units, exercisable (in shares) | 0
Number of share units, granted (in shares) | 3,130,000
Number of share units, vested and exercised/paid out (in shares) | 2,214,000
Deferred Share Units |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of share units, outstanding (in shares) | 1,605,000
Number of share units, exercisable (in shares) | 1,605,000
Number of share units, granted (in shares) | 454,000
Number of share units, vested and exercised/paid out (in shares) | 115,000

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