Collaborative and Other Relationships - Eisai (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Eisai | ||
| Collaborative arrangements and non-collaborative arrangement transactions | ||
| Amounts receivable | $ 14.3 | $ 90.2 |
| Amounts payable | $ 46.7 | $ 95.5 |
| Alzheimer's collaboration revenue | ||
| Collaborative arrangements and non-collaborative arrangement transactions | ||
| Share of non-controling interest recognized | 50.00% |