Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Earnings (loss) before income taxes

(millions)	2011			2010			2009
U.S.	$	(367	)	$	(453	)	$	(359	)
Foreign		(33	)		14			22
Total	$	(400	)	$	(439	)	$	(337	)

Income tax (benefit) expense

(millions)	2011			2010			2009
Current:
Federal	$	(5	)	$	—		$	3
Foreign		5			6			10
State		—			1			1
		—			7			14
Deferred:
Federal		—			(37	)		357
Foreign		(11	)		—			4
State		1			(4	)		75
		(10	)		(41	)		436
Total (a)	$	(10	)	$	(34	)	$	450

(a) Income tax (benefit) expense includes noncash deferred tax asset valuation allowances of $149 million in 2011, $179 million in 2010 and $575 million in 2009.

Differences between actual provisions for income taxes and provisions for income taxes at the U.S. federal statutory rate (35%)

(millions)	2011			2010			2009
Taxes on income at U.S. federal statutory rate	$	(140	)	$	(153	)	$	(118	)
Foreign earnings subject to different tax rates		6			—			(1	)
State income tax, net of federal benefit		(18	)		(24	)		(1	)
Change in valuation allowance		149			179			575
Change in unrecognized tax benefits		(7	)		(2	)		(7	)
Tax benefit resulting from other comprehensive income allocation		—			(37	)		—
Other, net		—			1			2
Provision for income tax (benefit) expense	$	(10	)	$	(34	)	$	450
Effective income tax rate		2.6	%		7.7	%		(133.2	)%

Components of deferred tax assets and liabilities

(millions)	2011			2010
Deferred Tax Assets:
Net operating loss and tax credit carryforwards	$	991		$	859
Pension and postretirement benefits		206			172
Goodwill and other intangible assets		41			44
Reserves not deductible until paid		41			42
Self insurance		11			11
Capitalized interest		15			12
Derivative instruments		3			25
Inventories		8			—
Share-based compensation		29			29
Deferred tax assets before valuation allowance		1,345			1,194
Valuation allowance		(1,042	)		(884	)
Total deferred tax assets	$	303		$	310
Deferred Tax Liabilities:
Property, plant and equipment		287			297
Inventories		—			2
Other		5			12
Total deferred tax liabilities		292			311
Net deferred tax (liabilities) assets	$	11		$	(1	)

Reconciliation of the beginning and ending amount of unrecognized tax benefits

(millions)	2011			2010			2009
Balance as of January 1	$	34		$	35		$	47
Tax positions related to the current period:
Gross increase		—			—			—
Gross decrease		—			—			—
Tax positions related to prior periods:
Gross increase		2			1			2
Gross decrease		(20	)		(1	)		(10	)
Settlements		(3	)		—			(3	)
Lapse of statutes of limitations		(1	)		(1	)		(1	)
Balance as of December 31	$	12		$	34		$	35