Financing - Operating lease future minimum payments (Details) - Operating Leases R$ in Thousands	12 Months Ended
Dec. 31, 2018 BRL (R$)
Financing
Total installments due	R$ 1,448,241
Less than one year
Financing
Total installments due	181,903
Later than one and not later than three years
Financing
Total installments due	484,200
Later than three years and not later than five years
Financing
Total installments due	258,018
Later than five years
Financing
Total installments due	R$ 524,120

The portion of operating lease payments 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 recognised as an expense.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2018-01-01
-Paragraph 35
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_35_c&doctype=Standard&book=b
-URIDate 2018-03-16

Name:	ifrs-full_MinimumOperatingLeasePayments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration