Balance Sheet Components (Other Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Schedule of Other Assets [Line Items]
Operating lease right-of-use assets	$ 259.3	$ 290.8
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Other long-term assets	$ 753.3	$ 798.5
Other assets	2,403.5	1,170.7
Biocon Biologics
Schedule of Other Assets [Line Items]
Deferred consideration due from Biocon Biologics	299.5	0.0
Convertible Preferred Stock
Schedule of Other Assets [Line Items]
Equity Securities, FV-NI, Cost	997.4	0.0
Private Equity Securities
Schedule of Other Assets [Line Items]
Equity Securities, FV-NI, Cost	$ 94.0	$ 81.4