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Postretirement benefit plans
 3 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Postretirement benefit plans
Postretirement benefit plans
Components of net periodic employee benefit cost are as follows:

 
U.S.
Defined Benefit
 
U.S.
Retiree Health Care
 
Non-U.S.
Defined Benefit
For Three Months Ended March 31,
2014
 
2013
 
2014
 
2013
 
2014
 
2013
Service cost
$
5

 
$
7

 
$
1

 
$
1

 
$
10

 
$
10

Interest cost
11

 
11

 
5

 
5

 
17

 
16

Expected return on plan assets
(10
)
 
(13
)
 
(5
)
 
(6
)
 
(19
)
 
(17
)
Amortization of prior service cost (credit)
—

 
—

 
1

 
1

 
(1
)
 
(1
)
Recognized net actuarial loss
6

 
6

 
2

 
3

 
6

 
10

Net periodic benefit costs
12

 
11

 
4

 
4

 
13

 
18

Settlement losses (a)
1

 
7

 
—

 
—

 
—

 
—

Total, including other postretirement losses (gains)
$
13

 
$
18

 
$
4

 
$
4

 
$
13

 
$
18

    
(a) Includes non-restructuring and restructuring-related settlement losses.