Collaborative and Other Relationships - Sage Therapeutics, Inc. (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Collaborative arrangements and non-collaborative arrangement transactions | ||||
| Collaboration profit sharing/(loss reimbursement) | $ 77.8 | $ 87.2 | $ 220.8 | $ 220.3 |
| Share of net profit from sage therapeutics, Percent | 50.00% | 50.00% | ||
| Sage Therapeutics | ||||
| Collaborative arrangements and non-collaborative arrangement transactions | ||||
| Collaboration profit sharing/(loss reimbursement) | $ 28.8 | $ 20.7 | $ 69.7 | $ 48.6 |