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Note 7: Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2012
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)  2012  2011  2012  2011
Defined Benefit Plans $11 $41 $24 $70
Defined Contribution Plans $56 $56 $118 $113

  Pension Benefits Other Postretirement Benefits
  Quarter Ended June 30, Quarter Ended June 30,
(Dollars in millions) 2012 2011 2012 2011
Service cost $ 115 $ 111 $ 1 $ 1
Interest cost   313   326   8   10
Expected return on plan assets   (456)   (458)   -   -
Amortization   (3)   (3)   -   (1)
Recognized actuarial net loss (gain)   180   116   (2)   (2)
Net settlement and curtailment loss    7   13   -   -
Total net periodic benefit cost $ 156 $ 105 $ 7 $ 8
             
             
  Pension Benefits Other Postretirement Benefits
  Six Months Ended June 30, Six Months Ended June 30,
(Dollars in millions) 2012 2011 2012 2011
Service cost $ 230 $ 222 $ 2 $ 2
Interest cost   626   650   16   20
Expected return on plan assets   (912)   (914)   -   -
Amortization   (6)   (6)   -   (2)
Recognized actuarial net loss (gain)   361   231   (4)   (4)
Net settlement and curtailment loss    35   13   -   -
Total net periodic benefit cost $ 334 $ 196 $ 14 $ 16