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Investments in Affiliates - Schedule of Changes in Investments in Affiliates (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Equity Method Investments And Joint Ventures [Abstract]
Beginning Balance	$ 160	$ 173	$ 136
Equity in earnings of affiliates	29	43	33
Dividends	(28)	(58)
Currency translation and other	1	2	4
Ending Balance	$ 162	$ 160	$ 173

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Equity method investments, currency translation and other.

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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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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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