Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (2,582.3)	$ (2,191.1)
Intangible assets, gross (excluding goodwill)	9,328.2	9,359.3
Intangible assets, net (excluding goodwill)	6,745.9	7,168.2
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	751.0	751.1
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7,478.5	7,473.7
Accumulated amortization	(2,020.1)	(1,688.2)
Finite-lived intangible assets, net	5,458.4	5,785.5
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	907.0	942.8
Accumulated amortization	(413.3)	(363.9)
Finite-lived intangible assets, net	493.7	578.9
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	172.4	172.4
Accumulated amortization	(138.2)	(127.4)
Finite-lived intangible assets, net	34.2	45.0
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	12.6	12.0
Accumulated amortization	(5.0)	(6.0)
Finite-lived intangible assets, net	7.6	6.0
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	6.7	7.3
Accumulated amortization	(5.7)	(5.6)
Finite-lived intangible assets, net	$ 1.0	$ 1.7