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5. Trade Receivables and Reseller Financing (Tables)
12 Months Ended
Dec. 31, 2017
Trade Receivables And Reseller Financing Tables  
Trade receivables and reseller financing composition
    2017   2016
         
Domestic customers   4,057,752   3,315,783
Reseller financing – Ipiranga (i)   675,236   466,277
Foreign customers   229,701   180,679
(-) Allowance for doubtful accounts   (295,580)   (233,332)
         
Total   4,667,109   3,729,407
         
Current   4,337,118   3,502,322
Non-current   329,991   227,085
Trade receivables breakdown
          Past due
  Total   Current   less than 30 days   31-60 days   61-90 days   91-180 days   more than 180 days
                           
2017 4,962,689   4,102,549   200,939   46,491   48,197   87,812   476,701
                           
2016 3,962,739   3,326,934   167,790   44,152   23,738   60,150   339,975
Movements in allowance for doubtful accounts
Balance on 12/31/2014     178,444  
Additions     44,380  
Write-offs     (22,008)  
Balance on 12/31/2015 200,816  
Additions 48,402  
Write-offs (15,886)  
Balance on 12/31/2016 233,332  
Opening balance CBL S.A. (see Note 3.c) 6,733  
Additions 66,427  
Write-offs (10,912)  
Balance on 12/31/2017 295,580