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Other (Income) Expense (Tables)
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other (Income) Expense Table

 
 
2019
 
2018
 
2017
Foreign exchange net (gain) loss and other(a)
 
$
(1
)
 
$
1

 
$
7

Closure and impairment expense
 
5

 
6

 
3

Other (income) expense
 
$
4


$
7


$
10