Other Financial Data - Summary of Components of Fixed Assets, Net (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | $ 426 | $ 267 |
| Less: Accumulated depreciation | 106 | 31 |
| Fixed assets, net | 320 | 236 |
| Capitalized Software | ||
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | 183 | 55 |
| Leasehold Improvements | ||
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | 42 | 40 |
| Computer Equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | 116 | 102 |
| Furniture, Fixtures and Equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | 12 | 12 |
| Construction in Progress | ||
| Property Plant And Equipment [Line Items] | ||
| Total Fixed assets, gross | $ 73 | $ 58 |