Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows provided by (used in) operating activities
Net loss	$ (34)	$ (76)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	58	56
Non-cash asset impairments	25	0
Deferred tax benefit	0	(2)
Loss (gain) on sale of assets	2	(2)
Gain on disposition	44	0
Amortization of deferred financing fees	8	8
Loss on extinguishment of debt	0	3
Unrealized foreign currency losses	12	4
Other non-cash adjustments	(2)	(2)
Net change in assets and liabilities:
Accounts receivable	(27)	(96)
Inventories	(40)	(50)
Accounts payable	12	13
Income taxes payable	1	1
Other assets, current and non-current	(18)	2
Other liabilities, current and long-term	5	(54)
Net cash used in operating activities	(42)	(195)
Cash flows provided by (used in) investing activities
Capital expenditures	(43)	(57)
Proceeds from disposition, net	49	0
Proceeds from sale of assets, net	1	4
Net cash (used in) provided by investing activities	7	(53)
Cash flows provided by financing activities
Net short-term debt borrowings	3	8
Borrowings of long-term debt	294	1,119
Repayments of long-term debt	(243)	(928)
Long-term debt and credit facility financing fees	(1)	(24)
Net cash provided by financing activities	53	175
Effect of exchange rates on cash and cash equivalents	(3)	5
Change in cash and cash equivalents	15	(68)
Cash and cash equivalents at beginning of period	115	196
Cash and cash equivalents at end of period	130	128
Supplemental disclosures of cash flow information
Interest, net	159	147
Income taxes, net of cash refunds	$ 10	$ 9