Share-Based Compensation - Summary of Activities Under Share-Based Compensation Plans (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and nonvested as of December 31, 2020, Number of Shares	[1]	3,400
Granted, Number of Shares	[2]	3,243
Vested, Number of Shares	[3]	(1,081)
Forfeited, Number of Shares	[4]	(1,024)
Outstanding and nonvested as of December 31, 2021, Shares	[1]	4,538	3,400
Number of Shares, Expected to vest as of December 31, 2021	[5]	4,033
Outstanding and nonvested as of December 31, 2020, Weighted Average Grant Date Fair Value Per Share	[1]	$ 45.26
Granted, Weighted Average Grant Date Fair Value Per Share	[2]	28.01
Vested, Weighted Average Grant Date Fair Value Per Share	[3]	47.66
Forfeited, Weighted Average Grant Date Fair Value Per Share	[4]	41.84
Outstanding and nonvested as of December 31, 2021, Weighted Average Grant Date Fair Value Per Share	[1]	33.14	$ 45.26
Expected to vest as of December 31, 2020, Weighted Average Grant Date Fair Value Per Share	[5]	$ 32.45
SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards Outstanding, Beginning Balance	[6]	2,622
Granted, Number of Awards		784,000
Exercised, Number of Awards	[7]	(82)
Forfeited, Number of Awards		(250)
Number of Awards Outstanding, Ending Balance	[6]	3,074	2,622
Number of Awards Exercisable, Ending Balance	[8]	2,290
Number of Awards Vested and expected to vest, Ending Balance	[8]	3,040
Weighted Average Exercise Price Per Award Outstanding, Beginning Balance	[6]	$ 27.10
Granted, Weighted Average Exercise Price Per Award		14.45
Exercised, Weighted Average Exercise Price Per Award	[7]	20.58
Forfeited, Weighted Average Exercise Price Per Award		25.08
Weighted Average Exercise Price Per Award Outstanding, Ending Balance	[6]	24.21	$ 27.10
Exercisable, Weighted Average Exercise Price Per Award, Ending Balance	[8]	27.55
Weighted Average Exercise Price Per Award, Vested and expected to vest, Ending Balance	[8]	$ 24.32
Weighted Average Remaining Contractual Term Outstanding	[6]	4 years 7 months 6 days	3 years 9 months 18 days
Exercisable Weighted Average Remaining Contractual Term	[8]	2 years 9 months 18 days
Weighted Average Remaining Contractual Term, Vested and expected to vest	[8]	4 years 7 months 6 days
Aggregate Intrinsic Value Outstanding	[6]	$ 0.3	$ 36.3
Exercisable, Aggregate Intrinsic Value	[8]	0.0
Aggregate Intrinsic Value, Vested and expected to vest	[8]	$ 0.3

[1] Includes 520,138 and 913,388 performance based stock unit awards as of December 31, 2022 and 2021, respectively, which represents the maximum amount that can vest.

[2] Includes 559,430 performance-based stock unit awards.

[3] Includes 270,021 performance-based stock unit awards.

[4] Includes 682,659 performance-based stock unit awards.

[5] Includes 136,409 performance-based stock unit awards.

[6] Includes 0.8 million performance condition SARs as of December 31, 2022 and 2021.

[7] Includes less than 0.1 million performance condition SARs.

[8] Includes 0.8 million performance condition SARs.