XML 129 R99.htm IDEA: XBRL DOCUMENT
v3.25.1

Hedge accounting (Details 7) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | R$ 356,851 | R$ 282,444
Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 101,443 | 54,243
Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 25,287 | 16,304
Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 236,045 | 208,993
Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 10,900 | 8,187
Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 178,283 | 146,558
Not later than one year [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 12,942 | 6,133
Not later than one year [member] | Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 9,404 | 2,288
Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 92,728 | 55,650
Later than one year and not later than two years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 3,574 | 2,575
Later than one year and not later than two years [member] | Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 504 | 2,008
Later than two years and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 38,521 | 31,336
Later than two years and not later than three years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 535 | 1,048
Later than three years and not later than four years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 19,028 | 23,937
Later than three years and not later than four years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,556 | 532
Later than three years and not later than four years [member] | Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 126 | 678
Later than four years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 14,967 | 12,087
Later than four years and not later than five years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 2,930 | 734
Later than four years and not later than five years [member] | Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 415 | 2,833
Later than five years and not later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 11,115 | 11,793
Later than five years and not later than ten years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 3,328 | 4,979
Later than five years and not later than ten years [member] | Cash flow hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 451 | 380
Later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 2,209 | 1,083
Later than ten years [member] | Fair value hedges [member] | Hedge Of Loan Operations [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 280 |
Later than ten years [member] | Fair value hedges [member] | Hedge fund investments [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 422 | 303
Hedge Of Deposits And Repurchase Agreements [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 107,677 | 120,550
Hedge Of Deposits And Repurchase Agreements [Member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 10,910 | 18,265
Hedge Of Deposits And Repurchase Agreements [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 67,617 | 78,786
Hedge Of Deposits And Repurchase Agreements [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 27,835 | 17,167
Hedge Of Deposits And Repurchase Agreements [Member] | Later than two years and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 9,146 | 12,556
Hedge Of Deposits And Repurchase Agreements [Member] | Later than three years and not later than four years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,467 | 8,672
Hedge Of Deposits And Repurchase Agreements [Member] | Later than four years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,174 | 1,562
Hedge Of Deposits And Repurchase Agreements [Member] | Later than five years and not later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 438 | 1,807
Hedge Of Highly Probable Forecast Transactions [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,437 | 1,323
Hedge Of Highly Probable Forecast Transactions [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,437 | 1,323
Hedges of net investment in foreign operations [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 19,363 | 19,208
Hedges of net investment in foreign operations [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 19,363 | 19,208
Hedge Of Loan Operations [Member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 37,116 | 12,589
Hedge Of Loan Operations [Member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 10,910 | 18,265
Hedge Of Loan Operations [Member] | Not later than one year [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 8,227 | 2,230
Hedge Of Loan Operations [Member] | Not later than one year [member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 7,310 | 10,353
Hedge Of Loan Operations [Member] | Later than one year and not later than two years [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 12,446 | 2,173
Hedge Of Loan Operations [Member] | Later than one year and not later than two years [member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,148 | 5,376
Hedge Of Loan Operations [Member] | Later than two years and not later than three years [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 6,090 | 3,114
Hedge Of Loan Operations [Member] | Later than two years and not later than three years [member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 746 | 1,280
Hedge Of Loan Operations [Member] | Later than three years and not later than four years [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 4,334 | 1,577
Hedge Of Loan Operations [Member] | Later than three years and not later than four years [member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,272 |
Hedge Of Loan Operations [Member] | Later than four years and not later than five years [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 4,092 | 2,523
Hedge Of Loan Operations [Member] | Later than four years and not later than five years [member] | Cash flow hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 434 | 1,256
Hedge Of Loan Operations [Member] | Later than five years and not later than ten years [member] | Fair value hedges [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,647 | 972
Hedge Of Assets Transactions [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,966 | 7,394
Hedge Of Assets Transactions [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount |  | 7,394
Hedge Of Assets Transactions [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount |  |
Hedge Of Assets Transactions [Member] | Later than two years and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,247 |
Hedge Of Assets Transactions [Member] | Later than three years and not later than four years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 719 |
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 63,261 | 42,570
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 22,629 |
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 15,489 | 20,813
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] | Later than two years and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 17,016 | 10,624
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] | Later than three years and not later than four years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 5,170 | 11,133
Hedge Of Asset Backed Securities Under Repurchase Agreements [Member] | Later than four years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 2,957 |
Hedge Of Assets Denominated In U F [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 39,894 | 10,704
Hedge Of Assets Denominated In U F [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 16,801 | 10,704
Hedge Of Assets Denominated In U F [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 23,093 |
Hedge Of Securities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 38,743 | 25,105
Hedge Of Securities [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 12,256 | 7,894
Hedge Of Securities [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 8,639 | 5,538
Hedge Of Securities [Member] | Later than two years and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 3,741 | 2,714
Hedge Of Securities [Member] | Later than three years and not later than four years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 4,384 | 1,345
Hedge Of Securities [Member] | Later than four years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 2,965 | 3,179
Hedge Of Securities [Member] | Later than five years and not later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 5,251 | 3,655
Hedge Of Securities [Member] | Later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 1,507 | 780
Hedge Of Firm Commitments Fair Value [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 297 |
Hedge Of Firm Commitments Fair Value [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | 297 |
Hedge Of Firm Commitments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount | R$ 297 | 245
Hedge Of Firm Commitments [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Credit derivative, nominal amount |  | R$ 245

X
- Definition The nominal amount of a credit derivative. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 24G -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24G_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CreditDerivativeNominalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_FairValueHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_HedgeFundInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_CashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=itub_HedgeOfLoanOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfDepositsAndRepurchaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfHighlyProbableForecastTransactionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfLoanOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfAssetsTransactionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfAssetBackedSecuritiesUnderRepurchaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfAssetsDenominatedInUFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfFirmCommitmentsFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | itub_DerivativeInstrumentAxis=itub_HedgeOfFirmCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |