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Employee Retirement Benefits
 3 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Employee Retirement Benefits
EMPLOYEE RETIREMENT BENEFITS
The following summarizes the components of net periodic costs for our qualified and supplemental pension plans:
(In millions)
 
Three months ended March 31,
 
 
2014
 
2013
Service cost
 
$
2

 
$
3

Interest cost
 
4

 
3

Expected return on plan assets
 
(4
)
 
(4
)
Amortization of actuarial loss and prior service cost
 
1

 
2

Net periodic benefit cost
 
$
3

 
$
4

 
 
 
 
 


See our 2013 Annual Report on Form 10-K, Item 8, Note 13, Employee Retirement Benefits, Page 148, for information on our retirement benefits. We made matching contributions of $4 million and $3 million to our
401(k) and Top Hat savings plans during the first quarters of 2014 and 2013.

We contributed $5 million to our qualified pension plan during the first quarter of 2014. We do not anticipate further contributions to our qualified pension plan during the remainder of 2014.