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Stock-Based Compensation - Schedule of performance units activity (Detail)
 3 Months Ended
Mar. 31, 2023
$ / shares
shares
Performance units  
Number of Performance Units  
Outstanding number of shares (Units), beginning balance 3,570,951
Granted, number of shares (Units) 960,181
Vested, number of shares (Units) (645,308)
Forfeited, number of shares (Units) (145,972)
Adjustment upon final determination of level of performance goal achievement (Units) 96,668
Outstanding number of shares (Units), ending balance 3,836,520
Expected to vest, number of shares (Units) 3,356,908
Weighted Average Grant Date Fair Value  
Outstanding weighted average grant date fair value, beginning balance (in usd per share) | $ / shares $ 44.07
Granted, weighted average grant date fair value (in usd per share) | $ / shares 44.20
Vested, weighted average grant date fair value (in usd per share) | $ / shares 42.52
Forfeited, weighted average grant date fair value (in usd per share) | $ / shares 43.61
Adjustment upon final determination of level of performance goal achievement (in usd per share) | $ / shares 44.50
Outstanding weighted average grant date fair value, ending balance (in usd per share) | $ / shares $ 44.39
Maximum Shares Eligible to Receive  
Outstanding maximum shares eligible to receive, beginning balance (in shares) 3,570,951
Granted, maximum shares eligible to receive (in shares) 2,304,434
Vested, maximum shares eligible to receive (in shares) (645,308)
Forfeited, maximum shares eligible to receive (in shares) (145,972)
Adjustment upon final determination of level of performance goal achievement (in shares) 96,668
Outstanding maximum shares eligible to receive, ending balance (in shares) 5,180,773
Vested, net of withholding tax (in shares) 410,843
Restricted share units (RSUs)  
Number of Performance Units  
Outstanding number of shares (Units), beginning balance 579,622
Granted, number of shares (Units) 857,354
Vested, number of shares (Units) (225,979)
Forfeited, number of shares (Units) (37,254)
Outstanding number of shares (Units), ending balance 1,173,743
Expected to vest, number of shares (Units) 1,023,390
Weighted Average Grant Date Fair Value  
Outstanding weighted average grant date fair value, beginning balance (in usd per share) | $ / shares $ 42.97
Granted, weighted average grant date fair value (in usd per share) | $ / shares 43.69
Vested, weighted average grant date fair value (in usd per share) | $ / shares 40.49
Forfeited, weighted average grant date fair value (in usd per share) | $ / shares 42.28
Outstanding weighted average grant date fair value, ending balance (in usd per share) | $ / shares $ 44.00
Restricted share units (RSUs) | Vesting period 2022  
Number of Performance Units  
Vested, number of shares (Units) (199,297)