Goodwill and Intangible Assets (Components of Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Intangible Assets by Major Class [Line Items]
Intangible asset disposal & impairment charges	$ 32.0	$ 0.0
Finite-lived intangible assets, original cost	37,975.1		$ 37,490.5
Finite-lived intangible assets, accumulated amortization	15,604.6		14,923.6
Finite-lived intangible assets, net book value	22,370.5		22,566.9
In-process research and development	331.1		40.2
Intangible assets, gross, excluding goodwill	38,306.2		37,530.7
Intangible assets, net book value, excluding goodwill	$ 22,701.6		$ 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