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Pensions and Other Postretirement Benefits (Tables)
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Components of Net Periodic Pension and OPEB (Income) Expense

Three Months Ended March 31, 2020

Three Months Ended March 31, 2019

Pension Benefits
 
Global OPEB Plans
 
Pension Benefits
 
Global OPEB Plans

U.S.
 
Non-U.S.
 
 
U.S.
 
Non-U.S.
 
Service cost
$
62


$
29


$
5


$
98


$
35


$
4

Interest cost
429


91


43


566


120


54

Expected return on plan assets
(816
)

(170
)

—


(868
)

(195
)

—

Amortization of prior service cost (credit)
(1
)

2


(2
)

(1
)

1


(3
)
Amortization of net actuarial losses
4


42


19


3


29


8

Net periodic pension and OPEB (income) expense
$
(322
)
 
$
(6
)
 
$
65

 
$
(202
)
 
$
(10
)

$
63