Other Consolidated Financial Statement (Details Textual) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Net gains recognized on the increase in fair value of equity securities	$ 41.0	$ 25.7
Other long-term liabilities	751.7		$ 732.3
Accrued income taxes	162.1		$ 156.7
Denali Therapeutics
Net gains recognized on the increase in fair value of equity securities	48.5
Sage Therapeutics
Net gains recognized on the increase in fair value of equity securities	$ 15.7
Sage and Denali
Net gains recognized on the increase in fair value of equity securities		27.7
Sangamo
Net gains recognized on the increase in fair value of equity securities		$ 1.4

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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