STOCK-BASED COMPENSATION PLANS - RSUS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock Incentive Plan [Member] | Stock Options [Member]
Restricted Stock Units [Line Items]
Nonvested options recognized over weighted average period, years	2 years 4 months
Unrecognized compensation on nonvested stock options	$ 123,000,000
Compensation Expense	65,000,000	59,000,000	55,000,000
Vesting periods	4 years 0 months
Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]
Restricted Stock Units [Line Items]
Nonvested options recognized over weighted average period, years	2 years 0 months
Unrecognized compensation on nonvested stock options	185,000,000
Compensation Expense	105,000,000	109,000,000	109,000,000
Non-employee directors one time grant of restricted stock	3,000
Restricted Stock Units Number of Options [Abstract]
Non-vested at beginning of period,	9,746,433	9,973,953	8,262,777
Granted	2,156,753	1,887,733	3,842,367
Vested	(3,380,251)	(1,509,528)	(1,593,979)
Forfeited	(427,196)	(605,725)	(537,212)
Non-vested at end of period,	8,095,739	9,746,433	9,973,953
Weighted average grant date fair value per share [Abstract]
Non-vested at beginning of period,	$ 41.35	$ 39.89	$ 40.49
Granted	$ 59.52	$ 55.11	$ 42.33
Vested	$ 31.84	$ 49.48	$ 48.71
Forfeited	$ 45.78	$ 40.11	$ 40.45
Non-vested at end of period,	$ 49.91	$ 41.35	$ 39.89
Non Employee Directors Plan [Member] | Stock Options [Member]
Restricted Stock Units [Line Items]
Vesting periods	4 years 0 months
Non Employee Directors Plan [Member] | Restricted Stock Units (RSUs) [Member]
Restricted Stock Units [Line Items]
Composition of future annual equity grant	consists of 50 percent options and 50 percent RSUs
Future annual equity grant target value	$ 75,000
Non-employee annual grant		5,000
Vesting period for RSUs	RSUs generally vest on the third anniversary of the date of grant.