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Employee Retirement Benefits
9 Months Ended
Sep. 30, 2011
Employee Retirement Benefits
NOTE 8 – Employee Retirement Benefits
 
The following summarizes the components of net periodic costs for our qualified and supplemental pension plans:
 
(In millions)
 
Three months ended September 30,
   
Nine months ended September 30,
 
   
2011
   
2010
   
2011
   
2010
 
Service cost
  $ 3     $ 2     $ 8     $ 7  
Interest cost
    4       3       11       10  
Expected return on plan assets
    (4 )     (3 )     (12 )     (10 )
Amortization of actuarial loss and prior service cost
    1       1       3       2  
Net periodic benefit cost
  $ 4     $ 3     $ 10     $ 9  
 
See our 2010 Annual Report on Form 10-K, Item 8, Note 13, Employee Retirement Benefits, Page 121 for information on our retirement benefits. We made matching contributions of $2 million to our 401(k) savings plan during the third quarter of 2011 and 2010 and contributions of $6 million for the first nine months of 2011 and 2010.
 
We contributed $35 million to our qualified pension plan during the first quarter of 2011. We do not anticipate further contributions to our qualified pension plan during the remainder of 2011.