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PENSION AND POSTRETIREMENT BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
Compensation And Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Text Block]
 Three Months Ended March 31,
                    Pension Benefits                                       Other Benefits                   
Dollars in Millions2013 2012 2013 2012
Service cost — benefits earned during the year$ 10 $ 10 $ 1 $ 2
Interest cost on projected benefit obligation  74   79   3   6
Expected return on plan assets  (132)   (126)   (6)   (6)
Amortization of prior service cost/(benefit)  (1)   -   -   (1)
Amortization of net actuarial loss  38   33   -   3
Net periodic (benefit)/cost$ (11) $ (4) $ (2) $ 4