STOCK-BASED COMPENSATION (Deferred and Restricted Stock) (Details) (Deferred Stock [Member], USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years		Dec. 31, 2010		Dec. 31, 2009
Deferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 82
Weighted-average Recognition Period, in years	0.86
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Issued	174,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Outstanding, shares, beginning balance	15,251,000
Nonvested, weighted average grant date fair value per share, beginning of period	$ 25.89	[1]
Granted, shares	3,381,000
Weighted-average grant date fair value per share, granted	$ 37.60	[1]	$ 27.89		$ 11.70
Vested, shares	(3,302,000)
Weighted-average fair value per share of deferred stock granted vested	$ 39.45	[1]
Canceled, shares	(194,000)
Weighted average grant date fair value per share, canceled	$ 26.95	[1]
Outstanding, shares, ending balance	15,136,000		15,251,000
Nonvested, weighted average grant date fair value per share, end of period	$ 25.53	[1]	$ 25.89	[1]
Total fair value of deferred stock vested and delivered	123	[2]	38	[2]	20	[2]
Total fair value of deferred stock vested and delivered, related tax benefit	46		14		7
Total compensation expense for deferred stock awards	124		123		80
Stock-based compensation expense related tax benefit	$ 46		$ 46		$ 30
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Issued, Weighted Average Grant Date Fair Value	$ 30.91
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum	P2Y
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum	P5Y

[1] Weighted-average per share

[2] Includes the fair value of shares vested in prior years and delivered in the reporting year.