Intangible Assets and Goodwill - Summary of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Cost	$ 7,413.1	$ 7,394.3
Total intangible assets	7,609.8	8,220.8
Accumulated Amortization	(5,388.5)	(5,136.5)
Net	2,024.6	2,257.8
Total intangible assets	$ 2,221.3	3,084.3
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated life (in years)	4 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated life (in years)	28 years
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Cost and net	$ 132.7	762.5
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Cost and net	$ 64.0	$ 64.0