Asset and Liabilities Held for Sale (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Estimated proceeds from disposition of business		$ 28
Proceeds from sale of business	$ 27
Receivables, net		15
Inventories, net		42
Prepayments and other current assets		12
Property, plant and equipment, net		45
Goodwill		7
Other intangible assets, net		20
Impairment of carrying value		(94)
Assets held for sale	0	47
Accounts payable and accrued expenses		18
Other liabilities		5
Liabilities held for sale	$ 0	$ 23