XML 172 R142.htm IDEA: XBRL DOCUMENT
v3.25.1

Share-based payment (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Compensation expense by plan | R$ (818) | R$ (737) | R$ (598)
Partners Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Compensation expense by plan | (336) | (264) | (180)
Share Based Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Compensation expense by plan | R$ (482) | R$ (473) | R$ (418)

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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | itub_IfrsStatementLineItems
Namespace Prefix: | itub_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_PartnersPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_ShareBasedPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |