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Stockholders' equity (Details 5) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | R$ 10,194 | R$ 8,873 |
Income | 1,043 | 772 | R$ 1,035
Income | 1,043 | 772 | 1,035
Banco Itau Chile [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | 8,009 | 6,690 |
Income | 627 | 598 | 887
Itau Colombia S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | 21 | 19 |
Income |  |  | 3
Financeira Itau CBD S.A. Credito, Financiamento e Investimento [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | 706 | 853 |
Income | 174 | 147 | 123
Luizacred S A Soc Cred Financiamento Investimento [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | 976 | 328 |
Income | 148 | (49) | (50)
Other Subsidiaries [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Non-controlling interests | 482 | 983 |
Income | R$ 94 | R$ 76 | R$ 72

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- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 10 -IssueDate 2024-01-01 -Paragraph 22 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2024-en-r&anchor=para_22&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_f&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph q -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_q&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_e&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 81B -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_81B_a_i&doctype=Standard -URIDate 2024-03-27 + Details
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