Leases - Other Information Obtained (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Lessee, Lease, Description [Line Items] | |||
| Cash paid for amounts included in the measurement of operating lease liabilities, net of lease incentives of $—, $— and $9 for the years ended December 31, 2024, 2023 and 2022, respectively | $ 46 | $ 42 | $ 34 |
| Lease incentive | 0 | 0 | 9 |
| Right of use assets obtained in exchange for new operating lease obligations | $ 2 | $ (8) | $ 19 |
| Weighted average remaining lease term for operating leases | 6 years | 6 years | 7 years |
| Weighted average discount rate for operating leases | 9.50% | 9.40% | 8.20% |
| Decrease in operating lease liabilities | $ 35 | $ 30 | $ 21 |
| Operating lease, right-of-use asset, accelerated amortization | 14 | ||
| Office Building | |||
| Lessee, Lease, Description [Line Items] | |||
| Decrease in operating lease liabilities | 8 | ||
| Decrease in right of use asset | $ 8 | ||