RAYTHEON CO/ | 2013 | FY | 3

The tables below provide a reconciliation of benefit obligations, plan assets, funded status and related actuarial assumptions of our domestic and foreign Pension Benefits and Other Benefits plans.
 
Change in Projected Benefit Obligation
Pension Benefits
 
Other Benefits
(In millions)
2013

 
2012

 
2013

 
2012

Projected benefit obligation at beginning of year
$
24,657

 
$
21,613

 
$
818

 
$
812

Service cost
579

 
516

 
8

 
8

Interest cost
996

 
1,047

 
32

 
38

Plan participants’ contributions
15

 
18

 
43

 
44

Amendments
—

 
2

 
—

 
—

Plan curtailments/settlements
(6
)
 
(5
)
 
—

 
—

Actuarial loss (gain)
(1,798
)
 
2,670

 
(70
)
 
13

Foreign exchange loss (gain)
—

 
29

 
—

 
—

Benefits paid
(1,473
)
 
(1,233
)
 
(99
)
 
(97
)
Projected benefit obligation at end of year
$
22,970

 
$
24,657

 
$
732

 
$
818

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