Share-based Compensation - Summary of Performance Share Units Activity (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of vested shares			$ 37
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards - Outstanding at beginning of period (in shares)	512
Awards - Granted (in shares)	0
Awards - Vested (in shares)	(205)
Awards - Forfeited (in shares)	(1)
Awards - Outstanding at end of period (in shares)	306	512
Weighted average fair value on date of grant - Outstanding at beginning of period (in dollars per share)	$ 119.77
Weighted average fair value on date of grant - Granted (in dollars per share)	0
Weighted average fair value on date of grant - Vested (in dollars per share)	86.70
Weighted average fair value on date of grant - Forfeited (in dollars per share)	155.62
Weighted average fair value on date of grant - Outstanding at end of period (in dollars per share)	$ 141.81	$ 119.77
Fair value of vested shares	$ 20	$ 55