STOCK-BASED COMPENSATION (Stock Option Plans) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Stock Option Plans [Member] years		Dec. 31, 2010 Stock Option Plans [Member]		Dec. 31, 2009 Stock Option Plans [Member]		Dec. 31, 2011 1988 Award and Option Plan [Member]	Dec. 31, 2011 Non-Employee Directors' Stock Plan 1994 [Member]	Dec. 31, 1994 Non-Employee Directors' Stock Plan 1994 [Member]	Dec. 31, 2011 Non-Employee Directors' Stock Plan 1998 [Member]	Dec. 31, 1998 Non-Employee Directors' Stock Plan 1998 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							24,319,212
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized									300,000		600,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum	P1Y
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum	P3Y
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date	P10Y
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, shares, beginning balance	60,823,000							19,250		53,600
Outstanding, exercise price, beginning balance	$ 33.85	[1]
Granted, shares	10,607,000
Granted, exercise price	$ 38.25	[1]
Exercised, shares	(5,667,000)
Exercised, exercise price	$ 25.89	[1]
Forfeited/Expired, shares	(2,059,000)
Forfeited/Expired, exercise price	$ 40.54	[1]
Outstanding, shares, ending balance	63,704,000		60,823,000					19,250		53,600
Outstanding, exercise price, ending balance	$ 35.08	[1]	$ 33.85	[1]
Remaining contractual life in years	5.46	[1]
Aggregate intrinsic value in millions	$ 173
Options exercisable at end of period, shares	44,245,000
Options exercisable at end of year, weighted average exercise price	$ 37.30	[1]
Options exercisable at end of year, weighted average remaining contractual term (years)	4.19	[1]
Option exercisable aggregate intrinsic value in millions	99
Weighted-average fair value per share of options granted	$ 10.64		$ 9.17		$ 2.60
Total compensation expense	88		72		46
Stock-based compensation expense related tax benefit	33		27		17
Total amount of cash received from the exercise of options	147		66		0
Total intrinsic value of options exercised	66	[2]	30	[2]	0	[2]
Options exercised related tax benefit	24		11		0
Unrecognized Compensation Cost	$ 42
Weighted-average Recognition Period, in years	0.91

[1] Weighted-average per share

[2] Difference between the market price at exercise and the price paid by the employee to exercise the options.