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Stock-Based Compensation Plans - Summary of Stock Option Activity and Related Information (Detail) shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 shares $ / shares
Net settlement rights |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Options Outstanding, Beginning of Year | 30,597
Number of Share Options, Granted | 6,345
Number of Share Options, Exercised | (529)
Number of Share Options, Forfeited | (66)
Number of Share Options, Expired | (9,114)
Number of Share Options Outstanding, End of Year | 27,233
Weighted Average Exercise Price, Outstanding, Beginning of Year | $ / shares | $ 18.52
Weighted Average Exercise Price, Granted | $ / shares | 8.89
Weighted Average Exercise Price, Exercised | $ / shares | 10.51
Weighted Average Exercise Price, Forfeited | $ / shares | 15.17
Weighted Average Exercise Price, Expired | $ / shares | 28.61
Weighted Average Exercise Price, Outstanding, End of Year | $ / shares | $ 13.06
PSUs |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Units, Outstanding, Beginning of Year | 9,284
Number of Share Units, Granted | 6,175
Number of Share Units, Vested and Paid Out | (8,085)
Number of Share Units, Cancelled | (261)
Number of Share Units, Units in Lieu of Dividends | 50
Number of Share Units, Outstanding, End of Year | 7,163
RSUs |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Units, Outstanding, Beginning of Year | 8,430
Number of Share Units, Granted | 6,435
Number of Share Units, Vested and Paid Out | (8,420)
Number of Share Units, Cancelled | (463)
Number of Share Units, Units in Lieu of Dividends | 43
Number of Share Units, Outstanding, End of Year | 6,025
DSUs |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Units, Outstanding, Beginning of Year | 1,333
Number of Share Units, Granted | 80
Number of Share Units, Units in Lieu of Dividends | 10
Number of Share Units, Redeemed | (440)
Number of Share Units, Outstanding, End of Year | 1,256
DSUs | Director |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Units, Granted | 273
Replacement Stock Options |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
Number of Share Options Outstanding, Beginning of Year | 0
Number of Share Options, Granted | 18,882
Number of Share Options, Exercised | (790)
Number of Share Options, Forfeited | (3,582)
Number of Share Options, Expired | (2,254)
Number of Share Options Outstanding, End of Year | 12,256
Weighted Average Exercise Price, Outstanding, Beginning of Year | $ / shares | $ 0
Weighted Average Exercise Price, Granted | $ / shares | 15.31
Weighted Average Exercise Price, Exercised | $ / shares | 3.64
Weighted Average Exercise Price, Forfeited | $ / shares | 14.08
Weighted Average Exercise Price, Expired | $ / shares | 20.07
Weighted Average Exercise Price, Outstanding, End of Year | $ / shares | $ 15.21

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