Employee Stock Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Employee Benefits Disclosure [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	6,000,000
Compensation expense	$ 26	$ 18	$ 17
Granted	1,800,000	3,000,000.0	2,200,000
Vested	1,500,000	1,100,000	1,200,000
RSU Awards | Executive Officer
Employee Benefits Disclosure [Line Items]
Compensation expense	$ 23	$ 16	$ 15
RSU Awards | Vesting over one-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	1 year
RSU Awards | Vesting over two-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	2 years
RSU Awards | Vesting over three-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	3 years
RSU Awards | Time-Based Awards
Employee Benefits Disclosure [Line Items]
Vesting term	3 years
Percentage of total shares awarded	25.00%
Percentage of shares expected to be released	100.00%
RSU Awards | TSR Awards
Employee Benefits Disclosure [Line Items]
Vesting term	3 years
Percentage of total shares awarded	37.50%
RSU Awards | Performance-Based Awards
Employee Benefits Disclosure [Line Items]
Percentage of total shares awarded	37.50%
RSU Awards | TSR Awards, Performance Period Three
Employee Benefits Disclosure [Line Items]
Performance period	3 years
Other Stock Plans, Upper-middle management awards
Employee Benefits Disclosure [Line Items]
Vesting term	3 years
Other Stock Plans, employee stock purchase plan
Employee Benefits Disclosure [Line Items]
Employee stock purchase plan discount percentage	10.00%
Other Stock Plans
Employee Benefits Disclosure [Line Items]
Compensation expense	$ 3	$ 2	$ 2
Granted	200,000	300,000	200,000
Senior Executive Plan | RSU Awards
Employee Benefits Disclosure [Line Items]
Granted	1,600,000
Unvested RSUs	3,400,000
Unrecognized compensation cost related to unvested RSU awards	$ 19
Senior Executive Plan | RSU Awards | Vesting over one-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	1 year
Senior Executive Plan | RSU Awards | Vesting over two-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	2 years
Senior Executive Plan | RSU Awards | Vesting over three-year Period
Employee Benefits Disclosure [Line Items]
Vesting term	3 years