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Interest Expense, Net (Tables)
12 Months Ended
Dec. 31, 2018
Banking and Thrift, Interest [Abstract]  
Summary of Interest Expense, Net

Interest expense, net consisted of the following:

 

     Year ended
December 31,
2018
     Year ended
December 31,
2017
     Year ended
December 31,
2016
 

Income

     47        30        20  

Expense

     (54      (52      (40
  

 

 

    

 

 

    

 

 

 

Total

     (7      (22      (20