Share-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	Apr. 30, 2023 shares	Nov. 30, 2020 $ / shares	Dec. 31, 2023 USD ($) target shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Mar. 31, 2023 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized (in shares)			6,000,000,000	6,000,000,000
Share-based compensation expense | $			$ 18	$ 17	$ 19
Unrecognized compensation expense | $			$ 20
Period for unrecognized compensation expense to be recognized (in years)			1 year 7 months 6 days
Total fair value of shares vested | $			$ 7	$ 7	$ 18
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional shares approved for issuance (in shares)	6,070,000
Common stock reserved for future issuance (in shares)			7,496,571
Employee Stock Option | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized (in shares)						8,000,000
Employee Stock Option | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized (in shares)	14,070,000
Non Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)			255,351
Non Employee Stock Option | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized (in shares)			950,000
Performance Stock Units ("PSUs")
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)			3 years
Market capitalization | $			$ 1,000
Performance Stock Units ("PSUs") | Eight Share Price Targets
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rate (as a percent)			75.00%
Total share price targets | target			8
Performance Stock Units ("PSUs") | Special Awards | Eight Share Price Targets
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Consecutive trading day period (in days)		20 days
Vesting rate (as a percent)		12.50%
PSUs remaining performance period forfeited (in years)		4 years
Share price target achieved | target			6
Performance Stock Units ("PSUs") | Minimum | Special Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Average closing sales price per share (USD per share) | $ / shares		$ 11.00
Performance Stock Units ("PSUs") | Maximum | Special Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rate (as a percent)			200.00%
Average closing sales price per share (USD per share) | $ / shares		$ 25.00