INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Tax Disclosure [Abstract]
Effective income tax rate	23.70%	27.00%	25.80%	24.80%
U.S statutory income tax rate			35.00%
Tax benefits from contingent tax matters primarily related to the settlement and remeasurement of uncertain tax positions			$ 6	$ (79)
Minimum estimated decrease in total amount of unrecognized tax benefits	40		40
Maximum estimated decrease in total amount of unrecognized tax benefits	$ 70		$ 70