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Note 16 - Investment Securities - Portions of Investment Securities (Details) - BRL (R$) R$ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Statement Line Items [Line Items] |  |  |
Debt held-to-maturity (i) | [1] | R$ 122.0 | R$ 104.3
Non-current investments securities |  | 122.0 | 104.3
Financial asset at fair value through profit or loss-held for trading |  | 11.9 | 282.8
Current investments securities |  | 11.9 | 282.8
Total |  | R$ 133.9 | R$ 387.1
[1] | The balance refers substantially to Bank Deposit Certificates - CDB linked to tax incentives.

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