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Equity Method Investments in Affiliates - Change in Equity Method Investments in Affiliates (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, beginning of period		$ 3,304.7
Distributions of earnings from equity method investments		(466.3)	$ (429.8)	$ (346.4)
Balance, end of period		2,791.0	3,304.7
Equity Method Investee
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, beginning of period		3,304.7	3,368.3
Equity method earnings		370.6	501.4
Equity method intangible amortization and impairments		(370.8)	(199.2)
Distributions of earnings from equity method investments		(466.3)	(429.8)
Investments		7.3	29.8
Foreign currency translation		(34.5)	62.3
Other	[1]	(20.0)	(28.1)
Balance, end of period		$ 2,791.0	$ 3,304.7	$ 3,368.3
[1] Primarily reflects the Company’s share of entity level taxes.

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Income (Loss) from Equity Method Investments Before Amortization of Intangibles

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 230
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Amount of investment in equity method investee and investment in and advance to affiliate.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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