v2.4.0.6
Postretirement, Pension and Other Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2012
Pension Plans and Postretirement Benefits  
Components of Our Benefit Expense
 Three Months Ended June 30
 2012 2011
(in millions) Pension Benefits Postretirement Benefits  Pension Benefits   Postretirement Benefits
Service cost$ 31$ 8 $ 27  $ 8
Interest cost  5  8   3    8
Other  (1)  -   -    -
Total benefits expense$ 35$ 16 $ 30  $ 16
            
 Six Months Ended June 30
 2012 2011
(in millions) Pension Benefits Postretirement Benefits  Pension Benefits   Postretirement Benefits
Service cost$ 63$ 16 $ 45  $ 15
Interest cost  9  15   6    15
Prior service cost  -  -   -    (13)
Other  (2)  -   -    -
Total benefits expense$ 70$ 31 $ 51  $ 17