Goodwill and Other Intangibles (Intangibles) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Finite-lived intangible assets:
Carrying Amount, Gross	$ 7,853.2	$ 7,550.9
Accumulated Amortization	(3,921.2)	(3,373.2)
Carrying Amount, Net	3,932.0	4,177.7
Indefinite-lived intangible assets:	97.2	180.2
Other Intangibles, gross	7,950.4	7,731.1
Other intangibles, net	4,029.2	4,357.9
Marketed products
Finite-lived intangible assets:
Carrying Amount, Gross	7,682.0	7,400.2
Accumulated Amortization	(3,851.1)	(3,301.4)
Carrying Amount, Net	3,830.9	4,098.8
Other
Finite-lived intangible assets:
Carrying Amount, Gross	171.2	150.7
Accumulated Amortization	(70.1)	(71.8)
Carrying Amount, Net	$ 101.1	$ 78.9