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Retirement and Other Benefit Programs
9 Months Ended
Sep. 30, 2013
Retirement and Other Benefit Programs

9. RETIREMENT AND OTHER BENEFIT PROGRAMS

The following is a summary of net periodic benefit cost relating to the company’s pension and other postemployment benefit (OPEB) plans.

 

      Three months ended
September 30,
    Nine months ended
September 30,
 
(in millions)    2013     2012     2013     2012  

Pension benefits

        

Service cost

     $34        $28        $101        $  83   

Interest cost

     52        58        154        176   

Expected return on plan assets

     (63     (72     (190     (216

Amortization of net losses and other deferred amounts

     61        52        184        156   

Net periodic pension benefit cost

     $84        $66        $249        $199   
   

OPEB

        

Service cost

     $  2        $  2        $    7        $    5   

Interest cost

     6        8        19        22   

Amortization of net loss and prior service credit

     3        1        7        5   

Net periodic OPEB cost

     $11        $11        $  33        $  32