INCOME TAXES (Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 628	$ 845	$ 968
Gross additions to tax positions related to current year	46	44	46
Gross additions to tax positions related to prior years	66	105	177
Gross additions to tax positions assumed in acquisitions	31	1	11
Gross reductions to tax positions related to prior years	(57)	(325)	(196)
Settlements	(54)	(30)	(153)
Reductions to tax positions related to lapse of statute	(19)	(7)	(7)
Cumulative translation adjustment	1
Cumulative translation adjustment		(5)	(1)
Balance at end of year	642	628	845
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits that would impact effective tax rate	633	570	818
Gross additions to tax positions related to current year	46	44	46
Minimum estimated decrease in total amount of unrecognized tax benefits	370
Maximum estimated decrease in total amount of unrecognized tax benefits	400
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	59	51	51
Unrecognized Tax Benefits, Income Tax Penalties Accrued	32	25	23
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]
Unrecognized Tax Benefits, Interest on Income Taxes Expense	14	10	(12)
Unrecognized Tax Benefits, Income Tax Penalties Expense	$ 16	$ 7	$ (4)