XML 229 R199.htm IDEA: XBRL DOCUMENT
v3.25.1

Risk and Capital Management (Details 7) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 1,396,543 | R$ 1,247,113
Other financial assets, percentage | 100.00% | 100.00%
Lower Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 1,365,184 | R$ 1,240,844
Satisfactory Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 26,886 | 5,737
Higher Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 4,473 | 532
Interbank deposits and securities purchased under agreements to resell [member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 310,151 | R$ 289,328
Other financial assets, percentage | 22.20% | 23.20%
Interbank deposits and securities purchased under agreements to resell [member] | Lower Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 310,151 | R$ 289,328
Financial Assets At Fair Value Through Profit Or Loss [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 327,507 | R$ 260,743
Other financial assets, percentage | 23.50% | 20.90%
Financial Assets At Fair Value Through Profit Or Loss [Member] | Lower Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 318,322 | R$ 257,238
Financial Assets At Fair Value Through Profit Or Loss [Member] | Satisfactory Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 5,133 | 3,084
Financial Assets At Fair Value Through Profit Or Loss [Member] | Higher Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 4,052 | 421
Financial assets at fair value through profit or loss, category [member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 652,582 | R$ 567,003
Other financial assets, percentage | 46.70% | 45.50%
Financial assets at fair value through profit or loss, category [member] | Lower Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 630,444 | R$ 564,288
Financial assets at fair value through profit or loss, category [member] | Satisfactory Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 21,735 | 2,604
Financial assets at fair value through profit or loss, category [member] | Higher Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 403 | 111
Financial assets available-for-sale, category [member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 106,303 | R$ 130,039
Other financial assets, percentage | 7.60% | 10.40%
Financial assets available-for-sale, category [member] | Lower Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 106,267 | R$ 129,990
Financial assets available-for-sale, category [member] | Satisfactory Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | 18 | R$ 49
Financial assets available-for-sale, category [member] | Higher Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other financial assets | R$ 18 |

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

X
- References No definition available. + Details
Name: | itub_MaximumExposureOfOtherFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | itub_PercentageOfMaximumExposureOfOtherFinancialAssets
Namespace Prefix: | itub_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=itub_LowerRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=itub_SatisfactoryRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=itub_HigherRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=itub_InterbankDepositsAndSecuritiesPurchasedUnderAgreementsToResellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=itub_FinancialAssetsAtFairValueThroughProfitOrLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAvailableforsaleCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |