Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 90	$ 56	$ 195	$ 167
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation			92	89
Amortization	2	4	6	8
Amortization of deferred debt issuance costs			2	0
Restructuring expense, net of cash paid			17	30
Deferred income taxes			3	0
Pension and other postretirement benefit expenses			22	24
Income from equity method investments, net of dividends received			(6)	0
Gain (Loss) on Disposition of Other Assets			0	1
Share-based compensation			10	8
Changes in operating assets and liabilities:
Accounts receivable, net			64	(126)
Inventories			(22)	(78)
Other assets			28	(11)
Accounts payable			(72)	37
Accrued and other long-term liabilities			(37)	14
Other, net			(6)	37
Pension contributions			(23)	(22)
Net cash provided by operating activities			239	176
Cash flows from investing activities:
Capital expenditures			(123)	(82)
Proceeds from sale of property / investments			1	5
Proceeds from Insurance Settlement, Investing Activities			1	1
Cost of technology investments			(7)	0
Settlement of undesignated derivatives			10	0
Net cash used in investing activities			(138)	(76)
Cash flows from financing activities:
Net (repayments) proceeds under other short-term debt agreements			(2)	(1)
Repayments under long-term debt agreements			(9)	0
Dividend payments of consolidated affiliates to minority shareholders			(10)	(10)
Distribution of cash dividends			(30)	0
Taxes withheld and paid on employees' restricted share awards			(5)	0
Other Net Transfers To Former Parent			0	(117)
Net cash used in financing activities			(56)	(128)
Effect of exchange rate fluctuations on cash and cash equivalents			(12)	5
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect			33	(23)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning			339	101	$ 101
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end	$ 372	$ 78	$ 372	$ 78	$ 339