Goodwill and Intangible Assets (Components of Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Intangible Assets by Major Class [Line Items]
Intangible asset disposal & impairment charges	$ 0.0	$ 0.0	$ 32.0	$ 0.0
Finite-lived intangible assets, original cost	37,442.8		37,442.8		$ 37,490.5
Finite-lived intangible assets, accumulated amortization	16,481.9		16,481.9		14,923.6
Finite-lived intangible assets, net book value	20,960.9		20,960.9		22,566.9
In-process research and development	319.6		319.6		40.2
Intangible assets, gross, excluding goodwill	37,762.4		37,762.4		37,530.7
Intangible assets, net book value, excluding goodwill	$ 21,280.5		$ 21,280.5		$ 22,607.1
Patents and technologies
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, estimated useful life, in years	15 years		15 years		15 years