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Note 6: Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2011
Notes to Condensed Consolidated Financial Statements [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Text Block]
  Quarter Ended June 30, Six Months Ended June 30,
(Dollars in millions)  2011  2010  2011  2010
Defined Benefit Plans $41 $469 $70 $511
Defined Contribution Plans $56 $46 $113 $96

  Pension Benefits Other Postretirement Benefits
  Quarter Ended June 30, Quarter Ended June 30,
(Dollars in millions) 2011 2010 2011 2010
Service cost $ 111 $ 99 $ 1 $ -
Interest cost   326   320   10   12
Expected return on plan assets   (458)   (428)   -   -
Amortization   (3)   (4)   (1)   -
Recognized actuarial net loss (gain)   116   71   (2)   (1)
Net settlement and curtailment loss    13   11   -   -
Total net periodic benefit cost $ 105 $ 69 $ 8 $ 11
             
             
  Pension Benefits Other Postretirement Benefits
  Six Months Ended June 30, Six Months Ended June 30,
(Dollars in millions) 2011 2010 2011 2010
Service cost $ 222 $ 198 $ 2 $ 1
Interest cost   650   642   20   23
Expected return on plan assets   (914)   (859)   -   -
Amortization   (6)   (8)   (2)   (1)
Recognized actuarial net loss (gain)   231   142   (4)   (1)
Net settlement and curtailment loss    13   17   -   -
Total net periodic benefit cost $ 196 $ 132 $ 16 $ 22