Asset and Liabilities Held for Sale (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 23	$ 0
Receivables, net	18			$ 15
Inventories, net	39			42
Prepayments and other current assets	12			12
Property, plant and equipment, net	45			45
Goodwill	7			7
Other intangible assets, net	20			20
Impairment of carrying value	(91)			(94)
Assets held for sale	50			47
Accounts payable and accrued expenses	17			18
Other liabilities	5			5
Liabilities held for sale	$ 22			$ 23
Scenario, Forecast [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business			$ 28