Share-Based and Long-Term Incentive Plans - Summary of Performance Stock Unit Awards Activity (Detail) - Performance Stock Unit Awards [Member]	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Units, Outstanding Beginning Balance | shares	3,558,900
Number of Units, Granted | shares	587,802
Number of Units, Forfeited | shares	(211,065)
Number of Units, Vested | shares	(1,393,960)
Number of Units, Performance Based Adjustment | shares	89,941	[1]
Number of Units, Outstanding Ending Balance | shares	2,631,618
Weighted Average Grant-Date Fair Value Per Unit, Granted	$ 42.38
Weighted Average Grant-Date Fair Value Per Unit, Forfeited	25.58
Weighted Average Grant-Date Fair Value Per Unit, Vested	20.82
Weighted Average Grant-Date Fair Value Per Unit, Performance Based Adjustment	$ 20.24	[1]
Average Illiquidity discount, Granted	8.10%
Average Illiquidity discount, Forfeited	4.20%
Average Illiquidity discount, Vested	0.00%
Average Illiquidity discount, Performance Based Adjustment	0.00%	[1]
Recorded Weighted Average Fair Value Per Unit, Granted	$ 38.94
Recorded Weighted Average Fair Value Per Unit, Forfeited	24.51
Recorded Weighted Average Fair Value Per Unit, Vested	20.82
Recorded Weighted Average Fair Value Per Unit, Performance Based Adjustment	$ 20.24	[1]

[1] Represents adjustment based on the net sales performance criteria meeting 119.2% of target as of December 31, 2019 for the 2019 PSUs (as defined below).