Other Consolidated Financial Statement (Details Textual) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Net gains recognized on the increase in fair value of equity securities	$ (190.9)	$ (442.3)
Net gains (losses) realized during the period on equity securities	0.2	$ 6.2
Other long-term liabilities	1,287.9		$ 1,320.5
Accrued income taxes	640.5		$ 664.5
Ionis, Sangamo, Denali and Sage
Net gains recognized on the increase in fair value of equity securities	$ 205.5

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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