Income Taxes - Reconciliation of the Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
A reconciliation of the provision (benefit) for income taxes
Statutory U.S. Federal tax rate (as a percent)	21.00%	21.00%	35.00%
Increase (decrease) in provision for income taxes due to:
Tax provision on pretax earnings from continuing operations at statutory U.S. Federal tax rate	$ (55)	$ 58	$ 96
Non-U.S. tax rates	14	25	(29)
Global intangible low taxed income and Foreign-derived intangible income	38	32
U.S. Tax Cuts and Jobs Act: transition tax, net of foreign tax credits		(2)	2
Goodwill impairment	125
Tax law changes		4	152
Change in valuation allowance: U.S. tax law change		(2)	(162)
Change in valuation allowance: other	(31)	(18)	(283)
Tax attribute expiration	11	6	330
Withholding tax	16	10	8
Non-deductible expenses	8	4	9
Tax credits and incentives	(28)	(23)	(37)
Changes in tax reserves and audit settlements	20	13	(18)
Mexico inflationary adjustment	4	8	13
Equity earnings	(14)	(13)	(13)
Other taxes based on income	3	7	10
Other items	7	(1)	(8)
Provision for income taxes	$ 118	$ 108	$ 70