Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (2,068.2)	$ (1,752.6)
Intangible assets, gross (excluding goodwill)	9,190.7	6,420.3
Intangible assets, net (excluding goodwill)	7,122.5	4,667.7
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	779.0	659.8
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7,282.7	4,955.4
Accumulated amortization	(1,585.2)	(1,349.4)
Finite-lived intangible assets, net	5,697.5	3,606.0
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	934.3	613.0
Accumulated amortization	(346.0)	(279.6)
Finite-lived intangible assets, net	588.3	333.4
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	172.1	172.2
Accumulated amortization	(123.4)	(111.5)
Finite-lived intangible assets, net	48.7	60.7
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	14.7	12.0
Accumulated amortization	(8.3)	(8.0)
Finite-lived intangible assets, net	6.4	4.0
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7.9	7.9
Accumulated amortization	(5.3)	(4.1)
Finite-lived intangible assets, net	$ 2.6	$ 3.8