Share-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | |
Nov. 30, 2020 d $ / shares | Mar. 31, 2024 USD ($) target shares | Mar. 31, 2023 USD ($) | Dec. 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 | $ | | $ 4 | $ 4 | |
Unrecognized compensation expense | $ | | $ 33 | | |
Period for unrecognized compensation expense to be recognized (in years) | | 1 year 10 months 24 days | | |
Total fair value of shares vested | $ | | $ 12 | $ 6 | |
Employee Stock Option | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Common stock reserved for future issuance (in shares) | | 6,423,353 | | |
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) | | 244,343 | | |
Non Employee Stock Option | Maximum | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Common stock, authorized (in shares) | | 950,000 | | |
Restricted stock awards (RSAs) | Minimum | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Vesting period (in years) | | 1 year | | |
Restricted stock awards (RSAs) | Maximum | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Vesting period (in years) | | 3 years | | |
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% | | |
Share price target achieved | target | | 6 | | |
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] | | | | |
Vesting rate (as a percent) | 12.50% | | | |
Consecutive trading day period (in days) | d | 20 | | | |
PSUs remaining performance period forfeited (in years) | 4 years | | | |
Performance Stock Units ("PSUs") | Minimum | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Vesting rate (as a percent) | | 0% | | |
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 | | | |
Performance Stock Units ("PSUs") | Maximum | Special Awards | | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | | |
Vesting rate (as a percent) | | 200% | | |
Average closing sales price per share (USD per share) | $ / shares | $ 25 | | | |