Collaborative and Other Relationships - Summary of Activity Related to Sage Therapeutics (Details) - Sage Therapeutics - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Research and development | ||||
| Collaborative arrangements and non-collaborative arrangement transactions | ||||
| Expense incurred by the collaboration | $ 1.5 | $ 9.6 | $ 3.9 | $ 21.2 |
| Expense reflected within statements of income | 0.8 | 4.8 | 2.0 | 10.6 |
| Selling, general and administrative | ||||
| Collaborative arrangements and non-collaborative arrangement transactions | ||||
| Expense incurred by the collaboration | 45.7 | 26.9 | 89.2 | 54.5 |
| Expense reflected within statements of income | $ 22.9 | $ 13.5 | $ 44.6 | $ 27.3 |