INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Effective income tax rate	7.60%	26.90%
U.S statutory income tax rate	35.00%
Minimum estimated decrease in total amount of unrecognized tax benefits	$ 375
Maximum estimated decrease in total amount of unrecognized tax benefits	405
Favorable impact on the current year rate from the research and development tax credit and look thru exception - Rate	6.40%
Favorable impact on the current year rate from the research and development tax credit and look thru exception - Amount	$ 43