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Employee Benefits (Tables)
6 Months Ended
Jun. 30, 2013
Benefit or (Income) Cost Related to Pension and Postretirement Health Care and Life Insurance

The following table summarizes the benefit (income) cost related to our pension and postretirement health care and life insurance plans:

 

(dollars in millions)    Pension     Health Care and Life  
  

 

 

 
Three Months Ended June 30,          2013           2012           2013           2012  

Service cost

   $ 98     $ 90     $ 79     $ 93  

Amortization of prior service cost (credit)

     2       (1     (61     (9
  

 

 

 

Subtotal

     100       89       18       84  

Expected return on plan assets

     (311     (443     (36     (42

Interest cost

     251       362       274       326  
  

 

 

 

Subtotal

     40       8       256       368  

Remeasurement gain, net

     (237                  
  

 

 

 

Net periodic benefit (income) cost

   $ (197   $ 8     $ 256     $ 368  
  

 

 

 

 

(dollars in millions)    Pension     Health Care and Life  
  

 

 

 
Six Months Ended June 30,          2013           2012           2013           2012  

Service cost

   $ 197     $ 179     $ 159     $ 185  

Amortization of prior service cost (credit)

     3       (2     (123     (18
  

 

 

 

Subtotal

     200       177       36       167  

Expected return on plan assets

     (622     (885     (72     (85

Interest cost

     501       724       548       653  
  

 

 

 

Subtotal

     79       16       512       735  

Remeasurement gain, net

     (237                  
  

 

 

 

Net periodic benefit (income) cost

   $ (158   $ 16     $ 512     $ 735