Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Receivable from collaboration partners | $ 5 | $ 5 |
| Accounts payable | (8) | 11 |
| Deferred revenue | (54) | (188) |
| Proceeds from issuance of common stock | 0 | 142 |
| Related Party | ||
| Receivable from collaboration partners | 0 | 2 |
| Accounts payable | (12) | 13 |
| Deferred revenue | (48) | (188) |
| Proceeds from issuance of common stock | $ 0 | $ 14 |