Share-based Compensation - Summary of Restricted Stock Award Activity (Detail) - Restricted Stock - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards - Outstanding at beginning of period (in shares)	1,616
Awards - Granted (in shares)	595
Awards - Vested (in shares)	(850)
Awards - Forfeited (in shares)	(49)
Awards - Outstanding at end of period (in shares)	1,312	1,616
Weighted average fair value on date of grant - Outstanding at beginning of period (in dollars per share)	$ 62.33
Weighted average fair value on date of grant - Granted (in dollars per share)	101.72
Weighted average fair value on date of grant - Vested (in dollars per share)	60.75
Weighted average fair value on date of grant - Forfeited (in dollars per share)	78.50
Weighted average fair value on date of grant - Outstanding at end of period (in dollars per share)	$ 80.61	$ 62.33
Fair value of vested shares	$ 86	$ 72	$ 51