XML 129 R122.htm IDEA: XBRL DOCUMENT v3.8.0.1
15. Trade Payables (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
SummaryOfTradePayablesLineItems [Line Items]    
Trade payables R$ 2,155,498 R$ 1,709,653
Domestic Suppliers    
SummaryOfTradePayablesLineItems [Line Items]    
Trade payables 1,973,668 1,620,388
Foreign Suppliers    
SummaryOfTradePayablesLineItems [Line Items]    
Trade payables R$ 181,830 R$ 89,265