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17. Taxes recoverable/payable (Details 1) - BRL (R$) R$ in Thousands	Dec. 31, 2017	Dec. 31, 2016
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax liabilities	R$ 183,965	R$ 168,757
Cofins and Pasep
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax liabilities	74,034	49,132
INSS (Social Security contribution)
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax liabilities	35,365	35,376
IRRF (Withholding income tax on financial investments)
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax liabilities	58,204	62,771
Other
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax liabilities	R$ 16,362	R$ 21,478

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No definition available.

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- Definition

The amount of payment due on social security and taxes other than income tax. Income taxes include all domestic and foreign taxes that are based on taxable profits. Income taxes also include taxes, such as withholding taxes, that are payable by a subsidiary, associate or joint arrangement on distributions to the reporting entity.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78&doctype=Standard
-URIDate 2017-03-09

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