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Financing Receivables (Tables)
12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Financing Receivables
The following table presents financing receivables by country as of the dates indicated (in millions):
December 31,
 
2017
 
2016
Argentina
 
$
177

 
$
236

Other
 
17

 
20

Total
 
$
194

 
$
256