Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (1,216.3)	$ (1,230.6)
Intangible assets, gross (excluding goodwill)	4,654.0	4,705.8
Intangible assets, net (excluding goodwill)	3,437.7	3,475.2
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	590.3	587.7
In process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	1.4	1.4
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	3,373.6	3,355.2
Accumulated amortization	(955.8)	(913.7)
Finite-lived intangible assets, net	2,417.8	2,441.5
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	470.5	544.1
Accumulated amortization	(154.5)	(207.7)
Finite-lived intangible assets, net	316.0	336.4
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	184.8	184.7
Accumulated amortization	(81.3)	(84.8)
Finite-lived intangible assets, net	103.5	99.9
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	26.5	26.1
Accumulated amortization	(22.6)	(22.7)
Finite-lived intangible assets, net	3.9	3.4
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	6.9	6.6
Accumulated amortization	(2.1)	(1.7)
Finite-lived intangible assets, net	$ 4.8	$ 4.9

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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