XML 198 R103.htm IDEA: XBRL DOCUMENT v3.19.1
Current and deferred taxes - Carryforwards (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Current and deferred taxes    
Tax loss carryforward R$ 1,241,172 R$ 2,300,993
Social contribution tax loss carryforward R$ 73,633 R$ 331,445