Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (1,646.3)	$ (1,386.6)
Intangible assets, gross (excluding goodwill)	6,377.1	5,228.7
Intangible assets, net (excluding goodwill)	4,730.8	3,842.1
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	659.4	608.9
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	4,917.7	3,926.8
Accumulated amortization	(1,270.7)	(1,083.6)
Finite-lived intangible assets, net	3,647.0	2,843.2
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	608.2	504.0
Accumulated amortization	(257.2)	(199.5)
Finite-lived intangible assets, net	351.0	304.5
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	171.9	172.0
Accumulated amortization	(106.8)	(93.2)
Finite-lived intangible assets, net	65.1	78.8
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	12.0	9.7
Accumulated amortization	(7.9)	(7.5)
Finite-lived intangible assets, net	4.1	2.2
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7.9	7.3
Accumulated amortization	(3.7)	(2.8)
Finite-lived intangible assets, net	$ 4.2	$ 4.5