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Financial assets at fair value through profit or loss and designated at fair value through profit or loss - Securities (Details Narrative) - BRL (R$) R$ in Millions	Dec. 31, 2024	Dec. 31, 2023
IfrsStatementLineItems [Line Items]
At Fair Value through Profit or Loss	R$ 654,194	R$ 568,354
Itau Vida e Previdencia S.A. [Member]
IfrsStatementLineItems [Line Items]
At Fair Value through Profit or Loss	287,919	253,287
Financial assets at fair value through profit or loss, classified as held for trading, category [member]
IfrsStatementLineItems [Line Items]
Securities pledged as Guarantee of Funding of Financial Institutions and Clients	122,909	130,673
Financial assets at fair value through profit or loss, classified as held for trading, category [member] | Brazilian Government Securities [member]
IfrsStatementLineItems [Line Items]
Securities pledged as Guarantee of Funding of Financial Institutions and Clients	108,595	118,798
Financial assets at fair value through profit or loss, classified as held for trading, category [member] | Government securities - Latin America [member]
IfrsStatementLineItems [Line Items]
Securities pledged as Guarantee of Funding of Financial Institutions and Clients	2,539	87
Financial assets at fair value through profit or loss, classified as held for trading, category [member] | Corporate Securities [Member]
IfrsStatementLineItems [Line Items]
Securities pledged as Guarantee of Funding of Financial Institutions and Clients	R$ 11,775	R$ 11,788

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- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Classes of contingent liabilities [domain]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 14
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_14_a&doctype=Standard
-URIDate 2024-03-27

+ Details

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- References

No definition available.

+ Details

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- References

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