Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (1,843.1)	$ (1,752.6)
Intangible assets, gross (excluding goodwill)	6,366.1	6,420.3
Intangible assets, net (excluding goodwill)	4,523.0	4,667.7
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	653.8	659.8
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	4,915.5	4,955.4
Accumulated amortization	(1,416.9)	(1,349.4)
Finite-lived intangible assets, net	3,498.6	3,606.0
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	605.3	613.0
Accumulated amortization	(298.2)	(279.6)
Finite-lived intangible assets, net	307.1	333.4
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	171.8	172.2
Accumulated amortization	(115.5)	(111.5)
Finite-lived intangible assets, net	56.3	60.7
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	11.8	12.0
Accumulated amortization	(7.9)	(8.0)
Finite-lived intangible assets, net	3.9	4.0
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7.9	7.9
Accumulated amortization	(4.6)	(4.1)
Finite-lived intangible assets, net	$ 3.3	$ 3.8