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Other Assets
 12 Months Ended
Dec. 31, 2018
Other Current Assets [Abstract]  
Other Assets
Other Assets
Other assets, as of December 31, consisted of:
 
2018
 
2017
Deferred costs
$
110

 
$
130

Non-trade receivables, net
63

 
42

Deferred tax asset
29

 
26

Investments
25

 
24

Deposits
24

 
23

Tax receivables
6

 
42

Other
47

 
41

 
$
304

 
$
328