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v3.19.1

Subsequent Event - Additional Information (Detail) - Issued debt [Member] - ITAU UNIBANCO HOLDING [Member] R$ in Millions | 1 Months Ended
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Jan. 31, 2019 BRL (R$)
Disclosure of non-adjusting events after reporting period [line items] |
Issuance perpetual subordinated financial bill | R$ 3,050
Estimated impact of Tier I Capitalization ratio | 0.4

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of subordinated liabilities that do not have a specified repayment date. [Refer: Subordinated liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Estimated impact of Tier I Capitalization ratio + References No definition available. + Details
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- Details
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- Details
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