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Accrued Expenses and Other Liabilities (Tables)
12 Months Ended
Dec. 31, 2017
Accrued Expenses and Other Liabilities [Abstract]  
Schedule of accrued expenses and other liabilities

      December 31  
      2017     2016  
               
  Derivatives (See Note 11)   $ 30     $ 32  
  Professional services     149       118  
  Tax accruals     69       58  
  Other     56       51  
                   
      $ 304     $ 259