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Income Taxes (Tables)
 3 Months Ended
Mar. 31, 2017
Income Taxes [Abstract]  
Summary of Income Taxes
Our operations are conducted through our various subsidiaries in a number of countries throughout the world. We have provided for income taxes based upon the tax laws and rates in the countries in which operations are conducted and income is earned.

  
Three Months Ended March 31,
 
  
2017
  
2016
 
Income tax provision
 
$
(2
)
 
$
(12
)
Loss before income taxes
 
$
(36
)
 
$
(82
)
Effective tax rate
  
(6
)%
  
(15
)%