Capital Stock - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2019
Class Of Stock Disclosures [Abstract]
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	4,500,000	5,100,000
Share repurchase, aggregate cost	$ 146.0	$ 146.0
Share repurchase subsequent settlement		500,000
Share repurchase cost subsequent settlement	$ 13.1	$ 13.1