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Note 7: Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2012
Notes to Condensed Consolidated Financial Statements [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Text Block]
        Quarter Ended March 31,
(Dollars in millions)        2012  2011
Defined Benefit Plans       $13 $29
Defined Contribution Plans       $62 $57

  Pension Benefits Other Postretirement Benefits
  Quarter Ended March 31, Quarter Ended March 31,
(Dollars in millions) 2012 2011 2012 2011
Service cost $ 115 $ 111 $ 1 $ 1
Interest cost   313   324   8   10
Expected return on plan assets   (456)   (456)   -   -
Amortization   (3)   (3)   -   (1)
Recognized actuarial net loss (gain)   181   115   (2)   (2)
Net settlement and curtailment loss    28   -   -   -
Total net periodic benefit cost $ 178 $ 91 $ 7 $ 8