Derivative Liabilities - Schedule of Fair Value of Derivative Liabilities (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Derivative [Line Items] | ||
| Change in fair value of derivative liabilities | $ (1) | $ (9) |
| Common stock warrants | ||
| Derivative [Line Items] | ||
| Change in fair value of derivative liabilities | 0 | (7) |
| Earnout share liabilities | ||
| Derivative [Line Items] | ||
| Change in fair value of derivative liabilities | $ (1) | $ (2) |