Capital Stock - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Oct. 21, 2022	Dec. 31, 2021	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Authorized capital stock	485,000,000.0	485,000,000.0
Common stock, shares authorized	475,000,000	475,000,000		475,000,000
Preferred stock, shares authorized	10,000,000	10,000,000		10,000,000
Preferred stock, shares issued	0	0		0
Preferred stock, shares outstanding	0	0		0
Stock repurchase program, additional authorized amount	$ 430.0	$ 430.0
Stock repurchase program, authorized amount	$ 500.0	$ 500.0			$ 100.0
Shares repurchased	5,710,000	10,810,000
Share repurchase, aggregate cost	$ 313.9	$ 313.9
Share repurchase subsequent settlement		208,500
Share repurchase cost subsequent settlement	$ 5.1	$ 5.1
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, additional authorized amount			$ 1,000.0
Share repurchase, aggregate cost			$ 17.3