Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 159	$ 810
Short-term marketable securities	87	82
Restricted cash	5	5
Receivables (net of reserves — $11 and $12)	419	369
Inventories	332	332
Income taxes receivable	3	3
Deferred income taxes	52	52
Other current assets	52	47
Total current assets	1,109	1,700
Long-term marketable securities	51	60
Property, plant and equipment (net of accumulated depreciation and depletion — $1,863 and $1,840)	1,998	2,103
Deferred income taxes	17	17
Equity method investments	739	73
Other assets	156	168
Total assets	4,070	4,121
Current Liabilities:
Accounts payable	249	284
Accrued expenses	191	216
Current portion of long-term debt	63	63
Deferred income taxes	1	0
Income taxes payable	3	5
Total current liabilities	507	568
Long-term debt	2,226	2,238
Long-term debt - related party	54	54
Deferred income taxes	66	66
Pension and other postretirement benefits	279	277
Other liabilities	259	256
Total liabilities	3,391	3,459
Stockholders' Equity:
Preferred stock	0	0
Common stock	14	14
Treasury stock	(3)	0
Additional paid-in capital	2,924	2,920
Accumulated other comprehensive loss	18	24
Retained earnings (accumulated deficit)	(2,275)	(2,320)
Stockholders' equity of parent	678	638
Noncontrolling interest	1	24
Total stockholders' equity including noncontrolling interest	679	662
Total liabilities and stockholders' equity	$ 4,070	$ 4,121