INCOME TAXES (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income tax expense (benefit):
Effective tax rates on pretax income from continuing operations (as a percent)	(33.80%)	(16.50%)	8.80%	(108.10%)
U.S. federal income tax at statutory rate (as a percent)	35.00%	35.00%	35.00%	35.00%
Deferred tax asset valuation allowance released	$ 1,300,000,000		$ 1,500,000,000
Deferred tax asset valuation allowance allocated to income from continuing operations	1,200,000,000		1,400,000,000
Accounting for Uncertainty in Income Taxes
Unrecognized tax benefits, excluding interest and penalties	4,400,000,000		4,400,000,000		4,300,000,000
Unrecognized tax benefits, if recognized would not affect the effective tax rate	300,000,000		300,000,000		700,000,000
Unrecognized tax benefits, if recognized would favorably affect the effective tax rate	4,100,000,000		4,100,000,000		3,600,000,000
Unrecognized tax benefits, interest and penalties accrued	852,000,000		852,000,000		744,000,000
Unrecognized tax benefits, interest net of the federal benefit (expense) and penalties			$ 108,000,000	$ (107,000,000)
Unrecognized tax benefits, period of reasonably possible change in balance (in months)			P12M