Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents	$ 153	$ 228
Short-term marketable securities	61	96
Restricted cash	40	1
Receivables (net of reserves - $20 and $22)	456	404
Inventories	328	329
Income taxes receivable	3	3
Deferred income taxes	43	43
Other current assets	80	48
Total current assets	1,164	1,152
Long-term marketable securities	28	58
Property, plant and equipment (net of accumulated depreciation and depletion - $1,901 and $1,885)	1,849	1,908
Deferred income taxes	17	19
Equity method investments	723	735
Other assets	125	122
Total assets	3,906	3,994
Liabilities and Stockholders’ Equity
Accounts payable	236	290
Accrued expenses	199	220
Current portion of long-term debt	4	4
Deferred income taxes	2	0
Income taxes payable	1	1
Litigation settlement accrual	48	48
Total current liabilities	490	563
Long-term debt	2,202	2,205
Deferred income taxes	61	61
Pension and other postretirement benefits	490	491
Other liabilities	260	266
Total liabilities	3,503	3,586
Preferred stock – $1 par value, authorized 36,000,000 shares; outstanding - none	0	0
Common stock – $0.10 par value; authorized 200,000,000 shares; issued: 2015 - 145,382,000 shares; 2014 - 144,768,000 shares	14	14
Treasury stock at cost – 2015 - 188,000 shares; 2014 - 0 shares	4	0
Additional paid-in capital	3,015	3,014
Accumulated other comprehensive loss	(364)	(338)
Retained earnings (accumulated deficit)	(2,259)	(2,283)
Stockholders’ equity of parent	402	407
Noncontrolling interest	1	1
Total stockholders’ equity including noncontrolling interest	403	408
Total liabilities and stockholders’ equity	$ 3,906	$ 3,994