Loans and advances to clients (Details 2) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Loan Borrower Sector [Abstract]
Commercial, and industrial	R$ 146,293,616	R$ 140,619,110	R$ 140,992,900
Real estate-construction	36,515,352	34,808,681	36,650,011
Installment loans to individuals	137,287,593	110,512,978	88,701,763
Lease financing	1,836,629	1,888,444	2,092,882
Total	R$ 321,933,190	R$ 287,829,213	R$ 268,437,556

Loan borrower sector

No definition available.

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- Definition

Loan borrower sector - Commercial, and industrial

+ References

No definition available.

+ Details

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- Definition

Loans and advances to customers, gross - Total

+ References

No definition available.

+ Details

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- Definition

The amount of expenditure capitalised during the construction of non-current assets that are not yet available for use. [Refer: Non-current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- Definition

The amount of consumer loans made by the entity. [Refer: Loans to consumers [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2017-01-01
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- Definition

The amount of receivables related to finance leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
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-URIDate 2017-03-09

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