Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows provided by (used in) operating activities
Net loss	$ (163)	$ (234)	$ (38)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation, Depletion and Amortization	(113)	(115)	(131)
Non-cash asset impairments and accelerated depreciation	32	27	129
Deferred tax expense (benefit)	12	(3)	2
Gain on dispositions (see Note 12)	(44)	0	240
Gain (Loss) on Disposition of Assets	6	(1)	7
Amortization of deferred financing fees	49	16	15
Loss (gain) on extinguishment of debt	0	3	(48)
Unrealized foreign currency losses (gains)	2	3	(52)
Unrealized (gains) losses on pension and postretirement benefit plan liabilities	(13)	(4)	34
Other non-cash adjustments	(2)	(5)	3
Net change in assets and liabilities:
Accounts receivable	(24)	50	1
Inventories	31	10	8
Accounts and drafts payable	(1)	19	27
Income taxes payable	8	9	17
Other assets, current and non-current	15	(1)	22
Other liabilities, current and long-term	0	(39)	24
Net cash used in operating activities	(23)	(153)	(20)
Interest Costs Capitalized	0	(1)	(1)
Cash flows (used in) provided by investing activities
Capital expenditures	90	117	140
Proceeds from the dispositions, net	49	0	281
Cash received on buyers note	0	0	75
Investments in and Advances to Affiliates, Dividends or Interest	0	0	(1)
Proceeds from Sale of Property, Plant, and Equipment	1	8	5
Net cash (used in) provided by investing activities	(40)	(110)	219
Cash flows used in financing activities
Net short-term debt borrowings (repayments)	10	21	(22)
Borrowings of long-term debt	540	1,429	644
Repayments of long-term debt	(468)	(1,251)	(856)
Long-term debt and credit facility financing fees	(1)	(25)	(1)
Net cash provided by (used in) financing activities	81	174	(235)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(5)	8	(4)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	13	(81)	(40)
Cash, cash equivalents and restricted cash at beginning of year	115	196	236
Cash, cash equivalents and restricted cash at end of year	128	115	196
Supplemental disclosures of cash flow information
Interest, net	318	302	306
Income taxes, net of cash refunds	17	13	24
Notes Assumed	$ 0	$ 0	$ 75