Goodwill and Other Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets Excluding Goodwill [Line Items]
Intangible asset amortization expense	$ 2,317.1	$ 2,504.6	$ 2,702.2
Total intangible asset amortization expense (including disposal & impairment charges)	$ 2,349.1	2,678.1	2,805.0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Goods and Services Sold
In-process research and development
Intangible Assets Excluding Goodwill [Line Items]
IPR&D intangible asset impairment charges	$ 0.0	$ 0.6	$ 19.4