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EMPLOYEE STOCK BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule Of Share Based Compensation Expense [Table Text Block]

Stock-based compensation expense was as follows:
 
Three Months Ended March 31,
Dollars in Millions
2015
 
2014
Restricted stock
$
21

 
$
19

Market share units
9

 
9

Performance share units
24

 
21

Total stock-based compensation expense
$
54

 
$
49

 
 
 
 
Income tax benefit
$
18

 
$
16