Goodwill and Other Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets Excluding Goodwill [Line Items]
Intangible asset amortization expense	$ 2,702.2	$ 1,605.8	$ 1,582.7
Total intangible asset amortization expense (including impairment charges)	2,805.0	1,688.2	1,763.3
In-process research and development
Intangible Assets Excluding Goodwill [Line Items]
IPR&D intangible asset impairment charges	$ 19.4	$ 37.4	$ 138.3