XML 250 R213.htm IDEA: XBRL DOCUMENT
v3.22.1

Risk and Capital Management - Summary of Breakdown of Indicators of Credit Quality (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 822,590 | R$ 714,104
Percentage of loan operations and lease operations portfolio | 100.00% | 100.00%
Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 135,034 | R$ 134,521
Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 149,970 | 121,955
Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 205,050 | 202,145
Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 702,164 | R$ 587,208
Percentage of loan operations and lease operations portfolio | 85.40% | 82.20%
Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 69,906 | R$ 66,243
Percentage of loan operations and lease operations portfolio | 8.50% | 9.30%
Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 50,520 | R$ 60,653
Percentage of loan operations and lease operations portfolio | 6.10% | 8.50%
Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 1,296,515 | R$ 1,103,942
Percentage of loan operations and lease operations portfolio | 100.00% | 100.00%
Stage 1 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 214,581 | R$ 199,013
Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 234,049 | 182,964
Stage 1 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 272,035 | 254,981
Stage 1 [member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 1,143,548 | R$ 946,312
Percentage of loan operations and lease operations portfolio | 100.00% | 100.00%
Stage 1 [member] | Stage 1 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 204,830 | R$ 184,937
Stage 1 [member] | Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 203,318 | 153,031
Stage 1 [member] | Stage 1 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 243,124 | 218,059
Stage 1 [member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 98,651 | R$ 92,655
Percentage of loan operations and lease operations portfolio | 100.00% | 100.00%
Stage 1 [member] | Stage 2 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 2,335 | R$ 3,404
Stage 1 [member] | Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 21,702 | 20,289
Stage 1 [member] | Stage 2 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 15,723 | 18,782
Stage 1 [member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 54,316 | R$ 64,975
Percentage of loan operations and lease operations portfolio | 100.00% | 100.00%
Stage 1 [member] | Stage 3 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 7,416 | R$ 10,672
Stage 1 [member] | Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 9,029 | 9,644
Stage 1 [member] | Stage 3 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 13,188 | 18,140
Stage 1 [member] | Loan Operations [Member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 822,590 | R$ 714,104
Percentage of loan operations and lease operations portfolio | 63.40% | 64.70%
Stage 1 [member] | Loan Operations [Member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 135,034 | R$ 134,521
Stage 1 [member] | Loan Operations [Member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 149,970 | 121,955
Stage 1 [member] | Loan Operations [Member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 205,050 | 202,145
Stage 1 [member] | Loan Operations [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 702,164 | R$ 587,208
Percentage of loan operations and lease operations portfolio | 61.40% | 62.10%
Stage 1 [member] | Loan Operations [Member] | Stage 1 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 128,519 | R$ 123,665
Stage 1 [member] | Loan Operations [Member] | Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 124,555 | 96,784
Stage 1 [member] | Loan Operations [Member] | Stage 1 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 178,719 | 167,601
Stage 1 [member] | Loan Operations [Member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 69,906 | R$ 66,243
Percentage of loan operations and lease operations portfolio | 70.90% | 71.50%
Stage 1 [member] | Loan Operations [Member] | Stage 2 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 1,600 | R$ 2,793
Stage 1 [member] | Loan Operations [Member] | Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 16,749 | 15,965
Stage 1 [member] | Loan Operations [Member] | Stage 2 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 13,389 | 16,692
Stage 1 [member] | Loan Operations [Member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 50,520 | R$ 60,653
Percentage of loan operations and lease operations portfolio | 93.00% | 93.30%
Stage 1 [member] | Loan Operations [Member] | Stage 3 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 4,915 | R$ 8,063
Stage 1 [member] | Loan Operations [Member] | Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 8,666 | 9,206
Stage 1 [member] | Loan Operations [Member] | Stage 3 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 12,942 | 17,852
Stage 1 [member] | Commitments To Be Released [Member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 391,015 | R$ 320,905
Percentage of loan operations and lease operations portfolio | 30.20% | 29.10%
Stage 1 [member] | Commitments To Be Released [Member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 24,105 | R$ 17,779
Stage 1 [member] | Commitments To Be Released [Member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 76,203 | 55,004
Stage 1 [member] | Commitments To Be Released [Member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 48,337 | 37,475
Stage 1 [member] | Commitments To Be Released [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 362,630 | R$ 294,716
Percentage of loan operations and lease operations portfolio | 31.70% | 31.10%
Stage 1 [member] | Commitments To Be Released [Member] | Stage 1 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 23,882 | R$ 17,670
Stage 1 [member] | Commitments To Be Released [Member] | Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 71,158 | 50,813
Stage 1 [member] | Commitments To Be Released [Member] | Stage 1 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 46,629 | 35,960
Stage 1 [member] | Commitments To Be Released [Member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 27,367 | R$ 24,701
Percentage of loan operations and lease operations portfolio | 27.70% | 26.70%
Stage 1 [member] | Commitments To Be Released [Member] | Stage 2 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 200 | R$ 16
Stage 1 [member] | Commitments To Be Released [Member] | Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 4,823 | 3,884
Stage 1 [member] | Commitments To Be Released [Member] | Stage 2 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 1,621 | 1,414
Stage 1 [member] | Commitments To Be Released [Member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 1,018 | R$ 1,488
Percentage of loan operations and lease operations portfolio | 1.90% | 2.30%
Stage 1 [member] | Commitments To Be Released [Member] | Stage 3 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 23 | R$ 93
Stage 1 [member] | Commitments To Be Released [Member] | Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 222 | 307
Stage 1 [member] | Commitments To Be Released [Member] | Stage 3 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 87 | 101
Stage 1 [member] | Financial Guarantees [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 78,754 | R$ 64,388
Percentage of loan operations and lease operations portfolio | 6.90% | 6.80%
Stage 1 [member] | Financial Guarantees [Member] | Stage 1 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 52,429 | R$ 43,602
Stage 1 [member] | Financial Guarantees [Member] | Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 7,605 | 5,434
Stage 1 [member] | Financial Guarantees [Member] | Stage 1 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 17,776 | 14,498
Stage 1 [member] | Financial guarantee contracts [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 82,910 | R$ 68,933
Percentage of loan operations and lease operations portfolio | 6.40% | 6.20%
Stage 1 [member] | Financial guarantee contracts [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 55,442 | R$ 46,713
Stage 1 [member] | Financial guarantee contracts [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 7,876 | 6,005
Stage 1 [member] | Financial guarantee contracts [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 18,648 | 15,361
Stage 1 [member] | Financial guarantee contracts [member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 1,378 | R$ 1,711
Percentage of loan operations and lease operations portfolio | 1.40% | 1.80%
Stage 1 [member] | Financial guarantee contracts [member] | Stage 2 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 535 | R$ 595
Stage 1 [member] | Financial guarantee contracts [member] | Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 130 | 440
Stage 1 [member] | Financial guarantee contracts [member] | Stage 2 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 713 | 676
Stage 1 [member] | Financial guarantee contracts [member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 2,778 | R$ 2,834
Percentage of loan operations and lease operations portfolio | 5.10% | 4.40%
Stage 1 [member] | Financial guarantee contracts [member] | Stage 3 [member] | Corporate [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 2,478 | R$ 2,516
Stage 1 [member] | Financial guarantee contracts [member] | Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 141 | 131
Stage 1 [member] | Financial guarantee contracts [member] | Stage 3 [member] | Foreign loans - Latin America [member] | Foreign [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 159 | 187
Individuals [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 332,536 | 255,483
Individuals [member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 575,850 | 466,984
Individuals [member] | Stage 1 [member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 492,276 | 390,285
Individuals [member] | Stage 1 [member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 58,891 | 50,180
Individuals [member] | Stage 1 [member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 24,683 | 26,519
Individuals [member] | Stage 1 [member] | Loan Operations [Member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 332,536 | 255,483
Individuals [member] | Stage 1 [member] | Loan Operations [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 270,371 | 199,158
Individuals [member] | Stage 1 [member] | Loan Operations [Member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 38,168 | 30,793
Individuals [member] | Stage 1 [member] | Loan Operations [Member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 23,997 | 25,532
Individuals [member] | Stage 1 [member] | Commitments To Be Released [Member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 242,370 | 210,647
Individuals [member] | Stage 1 [member] | Commitments To Be Released [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 220,961 | 190,273
Individuals [member] | Stage 1 [member] | Commitments To Be Released [Member] | Stage 2 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 20,723 | 19,387
Individuals [member] | Stage 1 [member] | Commitments To Be Released [Member] | Stage 3 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 686 | 987
Individuals [member] | Stage 1 [member] | Financial Guarantees [Member] | Stage 1 [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | 944 | 854
Individuals [member] | Stage 1 [member] | Financial guarantee contracts [member] |  |
Disclosure of Credit Quality [Line Items] |  |
Loan operations and lease operations portfolio | R$ 944 | R$ 854

X
- Definition Disclosure of Credit Quality [Line Items] + References No definition available. + Details
Name: | itub_DisclosureOfCreditQualityLineItems
Namespace Prefix: | itub_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loan operations and lease operations portfolio gross. + References No definition available. + Details
Name: | itub_LoanOperationsAndLeaseOperationsPortfolioGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of loan operations and lease operations portfolio. + References No definition available. + Details
Name: | itub_PercentageOfLoanOperationsAndLeaseOperationsPortfolio
Namespace Prefix: | itub_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_CorporateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=itub_MicroSmallAndMediumCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=itub_ForeignLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=itub_LoanOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=itub_CommitmentsToBeReleasedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=itub_FinancialGuaranteesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_FinancialGuaranteeContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=itub_IndividualsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |