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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, 2010
years
Dec. 31, 2009
Dec. 31, 2008
Deferred Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]   
Unrecognized Compensation Cost$ 82  
Weighted-average Recognition Period, in years0.88  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Issued178,288  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]   
Outstanding, shares, beginning balance12,213,000  
Nonvested, weighted average grant date fair value per share, beginning of period$ 27.91[1]  
Granted, shares4,630,000  
Weighted-average grant date fair value per share, granted$ 27.89[1]$ 11.70$ 38.38
Vested, shares(1,305,000)  
Weighted-average fair value per share of deferred stock granted vested$ 52.28[1]  
Canceled, shares(287,000)  
Weighted average grant date fair value per share, canceled$ 24.48[1]  
Outstanding, shares, ending balance15,251,00012,213,000 
Nonvested, weighted average grant date fair value per share, end of period$ 25.89[1]$ 27.91[1] 
Total fair value of deferred stock vested and delivered38[2]20[2]11[2]
Total fair value of deferred stock vested and delivered, related tax benefit1474
Total compensation expense for deferred stock awards1238095
Stock-based compensation expense related tax benefit$ 46$ 30$ 35
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Issued, Weighted Average Grant Date Fair Value$ 29.88  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum2  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum5  
[1]Weighted-average per share
[2]Includes the fair value of shares vested in prior years and delivered in the reporting year