Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 4		$ 3
increase (decrease) in cost of sales		$ (23)
Contract with Customer, Asset, after Allowance for Credit Loss	10		9
Restricted Cash and Cash Equivalents, Current	4		4
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	680	727
Increase (Decrease) in Selling, General and Administrative expense		(3)
Selling, general and administrative expense (see Note 2)	75	88
Depreciation and amortization	58	26
Other intangible assets, net	$ 1,159		$ 1,188
Previously Reported [Member]
Cost of Goods and Services Sold		750
Previously reported, selling general and administrative expense		$ 91