Stock-Based Compensation - Stock Based Compensation Activity (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Balance (in shares)	290
Time-based RSUs
Number of Shares
Balance (in shares)	451
Granted (in shares)	98
Vested (in shares)	(252)
Forfeited (in shares)	(7)
Balance (in shares)		451
Outstanding and expected to vest (in shares)	290
Weighted Average Grant Date Fair Value
Balance (in dollars per share)	$ 92.06
Granted (in dollars per share)	204.17	$ 172.34	$ 65.23
Vested (in dollars per share)	53.44
Forfeited (in dollars per share)	165.67
Balance (in dollars per share)		$ 92.06
Outstanding and expected to vest, weighted average grant date fair value (in dollars per share)	$ 161.87
Outstanding and expected to vest weighted average remaining contractual term (in years)	1 year 2 months 12 days
Aggregate intrinsic value, outstanding and expected to vest	$ 51
Fair value vested in period	21	$ 22	$ 17
Cost not yet recognized	$ 45
Period for recognition	1 year
Performance-based and market-based RSUs
Number of Shares
Balance (in shares)	691
Granted (in shares)	111
Vested (in shares)	(381)
Forfeited (in shares)	(10)
Balance (in shares)	411	691
Outstanding and expected to vest (in shares)	333
Weighted Average Grant Date Fair Value
Balance (in dollars per share)	$ 57.56
Granted (in dollars per share)	204.13	$ 193.48	$ 62.27
Vested (in dollars per share)	21.05
Forfeited (in dollars per share)	148.96
Balance (in dollars per share)	128.77	$ 57.56
Outstanding and expected to vest, weighted average grant date fair value (in dollars per share)	$ 112.18
Outstanding and expected to vest weighted average remaining contractual term (in years)	10 months 24 days
Outstanding weighted average remaining contractual terms (in years)	10 months 24 days
Aggregate intrinsic value, outstanding and expected to vest	$ 59
Aggregate intrinsic value outstanding	$ 73