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Pension Plan And Other Postretirement Benefits (Tables)
 3 Months Ended
Mar. 31, 2016
Pension Plan And Other Postretirement Benefits [Abstract]  
Pension And Other Postretirement Benefit Costs



 

 

 

 

 

 



 

Pension Benefits



 

For the three months ended



 

March 31,



 

2016

 

2015



 

(in millions)

Service cost

 

$

 4 

 

$

 4 

Interest cost

 

 

 2 

 

 

 1 

Expected return on plan assets

 

 

 (2)

 

 

 (2)

Amortization of prior service cost

 

 

–  

 

 

–  

Amortization of net loss

 

 

–  

 

 

 1 

Net periodic benefit cost

 

$

 4 

 

$

 4