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Other Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Summary of Consolidated Other Accounts Receivable
As of December 31, 2020 and 2019, consolidated other accounts receivable consisted of:
 
       
2020
   
2019
 
Advances of income taxes and other refundable taxes
  $     304    147 
Non-trade
accounts receivable
1
     117    113 
Interest and notes receivable
     39    50 
Current portion of valuation of derivative financial instruments
     7    1 
Loans to employees and others
     10    14 
    
 
 
   
 
 
 
  $     477    325 
    
 
 
   
 
 
 
 
1
Non-trade
accounts receivable are mainly attributable to the sale of assets.