Goodwill and Other Intangible Assets (Components of Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible asset, estimated useful life, in years	15 years	15 years
Finite-lived intangible assets, original cost	$ 39,006.2	$ 40,404.1
Finite-lived intangible assets, accumulated amortization	12,918.5	10,801.6
Finite-lived intangible assets, net book value	26,087.7	29,602.5
In-process research and development	46.5	80.7
Intangible assets, gross, excluding goodwill	39,052.7	40,484.8
Intangible assets, net book value, excluding goodwill	$ 26,134.2	$ 29,683.2