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Risk Management (Details 16) - BRL (R$) R$ in Thousands	Dec. 31, 2017	Dec. 31, 2016
At the end of the year
Stress Analysis - Trading Portfolio
Risk Factors	R$ 103,949	R$ 338,004
Average in the year
Stress Analysis - Trading Portfolio
Risk Factors	168,751	198,274
Minimum in the year
Stress Analysis - Trading Portfolio
Risk Factors	53,426	87,152
Maximum in the year
Stress Analysis - Trading Portfolio
Risk Factors	R$ 387,884	R$ 371,395

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- Definition

Stress Analysis – Trading Portfolio

+ References

No definition available.

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- Definition

The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 41
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_41&doctype=Standard
-URIDate 2017-03-09

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