v2.3.0.15
Retirement Plans (Tables)
9 Months Ended
Sep. 30, 2011
Retirement Plans 
Schedule Of Components Of Net Periodic Benefit Cost And Other Comprehensive Earnings For Pension And Other Post-Retirement Benefit Plans

 

Pension Benefits

Other Postretirement Benefits

 

Three Months

Ended September 30,

Nine Months

Ended September 30,

Three Months

Ended September 30,

Nine Months

Ended September 30,

 

2011

2010

2011

2010

2011

2010

2011

2010

 

(In millions)

  Service cost

$        10

$          9

$        28

$        25

$        —

$        —

$          1

$        —

  Interest cost

          15

          15

          45

          43

          —

            1

            1

            3

  Expected return on plan assets

         (11)

         (10)

         (32)

         (28)

          —

          —

          —

          —

  Amortization of prior service cost

            1

          —

            3

            2

          —

            1

           (1)

            1

  Net actuarial loss

            8

            7

          24

          21

          —

          —

          —

          —

     Net periodic benefit cost

$        23

$        21

$        68

$        63

$        —

$          2

$          1

$          4