INCOME TAXES (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Income tax expense (benefit):
Effective tax rates on pretax income from continuing operations (as a percent)	24.50%	24.20%
U.S. federal income tax at statutory rate (as a percent)	35.00%
Deferred tax asset valuation allowance released	$ 836,000,000
Deferred tax asset valuation allowance allocated to income from continuing operations	755,000,000
Deferred tax asset valuation allowance allocated to other comprehensive income	81,000,000
Accounting for Uncertainty in Income Taxes
Unrecognized tax benefits, excluding interest and penalties	4,900,000,000		4,400,000,000
Unrecognized tax benefits, if recognized would not affect the effective tax rate	200,000,000		200,000,000
Unrecognized tax benefits, if recognized would favorably affect the effective tax rate	4,700,000,000		4,200,000,000
Unrecognized tax benefits, interest and penalties accrued	1,100,000,000		935,000,000
Unrecognized tax benefits, interest net of the federal benefit (expense) and penalties	$ 156,000,000	$ (37,000,000)
Unrecognized tax benefits, period of reasonably possible change in balance	P12M