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Financial assets pledged as collateral (Tables)
 12 Months Ended
Dec. 31, 2017
Financial assets pledged as collateral (Tables) [Abstract]  
Financial assets pledged as collateral

23.  Financial assets pledged as collateral

 

 

R$ thousand

On December 31

2017

2016

Held for trading

801,182

6,282,141

Brazilian government securities

801,182

6,282,141

Available for sale (1)

59,482,796

64,275,415

Brazilian government securities

53,039,884

55,530,423

Corporate debt securities

825,287

3,899,878

Bank debt securities

4,904,070

4,742,273

Brazilian sovereign bonds

713,555

102,841

Held to maturity

- 

431

Brazilian government securities

- 

431

Loans and advances to banks

123,691,195

84,728,590

Interbank investments (2)

123,691,195

84,728,590

Total

183,975,173

155,286,577

(1)  In 2017, includes unrealized gains of R$ 3,246,351 thousand (2016 - R$ 2,052,366 thousand) and unrealized losses of R$ 557,974  thousand (2016 - R$ 1,443,642 thousand); and

(2)  Refers to reverse repurchase agreements in which the underlying security has subsequently been sold  in a separate repurchase agreement.