XML 168 R131.htm IDEA: XBRL DOCUMENT
v3.22.1

Fixed Assets - Summary of Fixed Assets (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | R$ (14,921) | R$ (13,514)
Residual | 6,963 | 6,937
Cost | 22,031 | 20,598
Impairment | (147) | (147)
Real estate [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | (4,089) | (3,735)
Residual | 3,173 | 3,256
Cost | 7,372 | 7,106
Impairment | (110) | (115)
Real estate [member] | Land [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Residual | 1,127 | 1,102
Cost | 1,127 | 1,102
Real estate [member] | Building And Improvements [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | (4,089) | (3,735)
Residual | 2,046 | 2,154
Cost | 6,245 | 6,004
Impairment | R$ (110) | R$ (115)
Real estate [member] | Bottom of range [member] | Building And Improvements [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 4.00% | 4.00%
Real estate [member] | Top of range [member] | Building And Improvements [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 10.00% | 10.00%
Other fixed assets [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | R$ (10,832) | R$ (9,779)
Residual | 3,790 | 3,681
Cost | 14,659 | 13,492
Impairment | (37) | (32)
Other fixed assets [member] | Data processing systems [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | (7,170) | (6,400)
Residual | 1,897 | 1,847
Cost | 9,094 | 8,274
Impairment | (27) | (27)
Other fixed assets [member] | Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | (1,199) | (1,108)
Residual | 1,054 | 862
Cost | 2,253 | 1,970
Other fixed assets [member] | Installations And Furniture [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Depreciation | (2,463) | (2,271)
Residual | 839 | 972
Cost | 3,312 | 3,248
Impairment | R$ (10) | R$ (5)
Other fixed assets [member] | Bottom of range [member] | Data processing systems [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 20.00% | 20.00%
Other fixed assets [member] | Bottom of range [member] | Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 10.00% | 10.00%
Other fixed assets [member] | Bottom of range [member] | Installations And Furniture [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 10.00% | 10.00%
Other fixed assets [member] | Top of range [member] | Data processing systems [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 50.00% | 50.00%
Other fixed assets [member] | Top of range [member] | Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 20.00% | 20.00%
Other fixed assets [member] | Top of range [member] | Installations And Furniture [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Annual depreciation rates | 20.00% | 20.00%

X
- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The depreciation rate used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DepreciationRatePropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisposalsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_v&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cost Property Plant And Equipment. + References No definition available. + Details
Name: | itub_CostPropertyPlantAndEquipment
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=itub_BuildingAndImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=itub_InstallationsAndFurnitureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |