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Pension Plans
 6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
PENSION PLANS
PENSION PLANS
Total pension cost for the three and six months ended June 30, 2013 and 2012 included the following components:

 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2013
 
2012
 
2013
 
2012
 
 
U.S.
 
Foreign
 
U.S.
 
Foreign
 
U.S.
 
Foreign
 
U.S.
 
Foreign
 
 
(in millions)
Service cost
 
$
4

 
$
7

 
$
3

 
$
3

 
$
8

 
$
14

 
$
7

 
$
10

Interest cost
 
11

 
135

 
12

 
126

 
22

 
274

 
24

 
267

Expected return on plan assets
 
(16
)
 
(127
)
 
(14
)
 
(111
)
 
(31
)
 
(257
)
 
(28
)
 
(233
)
Amortization of prior service cost
 
2

 
—

 
2

 
—

 
3

 
—

 
3

 
—

Amortization of net loss
 
7

 
21

 
6

 
11

 
14

 
42

 
12

 
21

Total pension cost
 
$
8

 
$
36

 
$
9

 
$
29

 
$
16

 
$
73

 
$
18

 
$
65


Total employer contributions for the six months ended June 30, 2013 for the Company’s U.S. and foreign subsidiaries were $50 million and $47 million, respectively. The expected remaining scheduled employer contributions for 2013 are $2 million and $124 million for U.S. and foreign subsidiaries, respectively.