Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (2,486.2)	$ (2,207.4)
Intangible assets, gross (excluding goodwill)	9,423.0	9,414.3
Intangible assets, net (excluding goodwill)	6,936.8	7,206.9
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	785.9	784.1
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7,508.6	7,494.7
Accumulated amortization	(1,927.8)	(1,703.8)
Finite-lived intangible assets, net	5,580.8	5,790.9
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	934.7	942.8
Accumulated amortization	(411.4)	(363.9)
Finite-lived intangible assets, net	523.3	578.9
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	172.5	172.4
Accumulated amortization	(134.9)	(127.4)
Finite-lived intangible assets, net	37.6	45.0
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	13.9	13.0
Accumulated amortization	(5.9)	(6.7)
Finite-lived intangible assets, net	8.0	6.3
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7.4	7.3
Accumulated amortization	(6.2)	(5.6)
Finite-lived intangible assets, net	$ 1.2	$ 1.7