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EMPLOYEE STOCK BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule Of Share Based Compensation Expense [Text Block]
 Three Months Ended March 31,
Dollars in Millions2013 2012
Stock options$ - $ 3
Restricted stock  18   19
Market share units  8   6
Long-term performance awards  23   14
Total stock-based compensation expense$ 49 $ 42
      
Deferred tax benefit related to stock-based compensation expense$ 16 $ 14