Note 28 - Operating Leases - Maturities (Details) - BRL (R$) R$ in Millions	Dec. 31, 2017	Dec. 31, 2016
Statement Line Items [Line Items]
Operating leases maturities	R$ 236.2	R$ 154.6
Not later than one year [member]
Statement Line Items [Line Items]
Operating leases maturities	35.7	26.7
Later than one year and not later than five years [member]
Statement Line Items [Line Items]
Operating leases maturities	129.4	61.4
Later than five years [member]
Statement Line Items [Line Items]
Operating leases maturities	R$ 71.1	R$ 66.5

The amount of payments over the finance lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with any amounts guaranteed by the lessee or by a party related to the lessee.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 31
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_31_b&doctype=Standard&book=B
-URIDate 2017-03-09

Name:	ifrs-full_MinimumFinanceLeasePaymentsPayable
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant