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Note 29 - Collateral and Contractual Commitments with Suppliers, Advances From Customers and Other - Future Contractual Commitments (Details) - BRL (R$) R$ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Statement Line Items [Line Items] |  |
Future contractual commitments | R$ 11,096.3 | R$ 4,319.2
Not later than one year [member] |  |
Statement Line Items [Line Items] |  |
Future contractual commitments | 3,812.8 | 3,325.7
Later than one year and not later than two years [member] |  |
Statement Line Items [Line Items] |  |
Future contractual commitments | 2,995.7 | 420.8
Later than two years [member] |  |
Statement Line Items [Line Items] |  |
Future contractual commitments | R$ 4,287.8 | R$ 572.7

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