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Other Non-Current Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Investments, All Other Investments [Abstract]  
Components of Other Non-Current Assets
 
2016
 
2015
Deferred taxes
$
593

 
$
626

Debt issuance costs
6

 
11

Investments
4

 
5

Other
72

 
80

 
$
675

 
$
722