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Pension Plans and Other Postretirement Benefits
3 Months Ended
Mar. 31, 2014
Disclosure Text Block [Abstract]  
Pension Plans and Other Postretirement Benefits
14. Pension Plans and Other Postretirement Benefits

The Company has contributory and non-contributory defined-benefit pension plans, which include both qualified and supplemental plans. The Company also provides certain health care and life insurance benefits for certain retired employees. Retiree health care benefits are funded by contributions from the retiree, and in certain circumstances, contributions from the Company. The Company’s retiree life insurance plan is noncontributory.
The following summarizes the Company’s pension and other postretirement benefit cost:
 
Pension Benefits
 
Other Benefits
millions
2014
 
2013
 
2014
 
2013
Three Months Ended March 31
 
 
 
 
 
 
 
Service cost
$
25

 
$
21

 
$
2

 
$
2

Interest cost
25

 
20

 
4

 
4

Expected return on plan assets
(27
)
 
(23
)
 

 

Amortization of net actuarial loss (gain)
9

 
29

 
(2
)
 

Net periodic benefit cost
$
32

 
$
47

 
$
4

 
$
6