Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities
Net loss	$ (27)	$ (105)
Adjustments to reconcile net loss to net cash:
Depreciation, depletion and amortization	40	41
Long-lived asset impairment charges		1
Share-based compensation expense	9	13
Deferred income taxes	1	(1)
(Gain) loss on asset disposition	(4)
(Increase) decrease in working capital:
Receivables	(73)	(71)
Income taxes receivable	(1)	1
Inventories	(7)	(16)
Prepaid expense	10
Payables	15	26
Accrued expenses		(10)
Decrease in other assets		3
(Decrease) increase in other liabilities	4	(5)
Other, net	2	3
Net cash used for operating activities	(31)	(120)
Investing Activities
Purchases of marketable securities	(23)	(97)
Sales or maturities of marketable securities	170	69
Capital expenditures	(14)	(13)
Net proceeds from asset dispositions	10	1
Investments in joint ventures	(7)
Loan to joint venture		(4)
Net cash provided (used for) investing activities	136	(44)
Financing Activities
Repayment of debt	(1)	(1)
Repurchases of common stock to satisfy employee tax withholding obligations	(3)	(3)
Net cash used for financing activities	(4)	(4)
Effect of exchange rate changes on cash	4	3
Net increase (decrease) in cash and cash equivalents	105	(165)
Cash and cash equivalents at beginning of period	365	629
Cash and cash equivalents at end of period	470	464
Supplemental Cash Flow Disclosures:
Interest paid	44	44
Income taxes paid, net	4	4
Amount in accounts payable for capital expenditures	$ 3	$ 2