Outstanding and Weighted Average Common Shares - Changes in Outstanding Common Shares (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Beginning balance (in shares)	309,700	307,000	304,900
Activity related to restricted stock awards, net (in shares)	500	700	1,000
Stock options exercised (in shares)	872	1,500	300
PSUs vested (in shares)	500	500	800
Shares repurchased (in shares)	5,400	0	0
Ending balance (in shares)	306,200	309,700	307,000