Derivative Liabilities - Fair Value of Derivative Liabilities (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative [Line Items] | |||
| Change in fair value of derivative liabilities | $ 29 | $ (24) | $ (20) |
| Common stock warrants | |||
| Derivative [Line Items] | |||
| Change in fair value of derivative liabilities | 18 | (12) | (7) |
| Earnout shares liabilities | |||
| Derivative [Line Items] | |||
| Change in fair value of derivative liabilities | $ 11 | $ (12) | $ (13) |