XML 91 R84.htm IDEA: XBRL DOCUMENT v3.8.0.1
5. Trade Receivables and Reseller Financing (Details 2) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Trade Receivables And Reseller Financing Details 2      
Allowance for doubtful accounts, beginning R$ 233,332 R$ 200,816 R$ 178,444
Opening balance CBL S.A. (see Note 3.c) 6,733    
Additions 66,427 48,402 44,380
Write-offs (10,912) (15,886) (22,008)
Allowance for doubtful accounts, ending R$ 295,580 R$ 233,332 R$ 200,816