XML 114 R82.htm IDEA: XBRL DOCUMENT
v3.23.1

Derivatives (Details) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 100.00% | 100.00%
Financial liabilities at fair value | R$ (76,861) | R$ (63,204)
Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 0.80% | 0.20%
Financial liabilities at fair value | R$ (616) | R$ (155)
Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 50.80% | 54.90%
Financial liabilities at fair value | R$ (39,068) | R$ (34,646)
Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 38.90% | 35.70%
Financial liabilities at fair value | R$ (29,882) | R$ (22,547)
Forward contract [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 0.10% | 1.20%
Financial liabilities at fair value | R$ (65) | R$ (762)
Credit derivatives [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 0.80% | 0.30%
Financial liabilities at fair value | R$ (604) | R$ (198)
Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 8.60% | 7.70%
Financial liabilities at fair value | R$ (6,626) | R$ (4,896)
Not later than one month [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 10.40% | 11.30%
Financial liabilities at fair value | R$ (8,002) | R$ (7,153)
Not later than one month [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (219) | (4)
Not later than one month [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (2,835) | (1,562)
Not later than one month [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (3,221) | (4,086)
Not later than one month [member] | Forward contract [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (55) | (762)
Not later than one month [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | R$ (1,672) | R$ (739)
Later than one month and not later than three months [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 7.30% | 11.20%
Financial liabilities at fair value | R$ (5,618) | R$ (7,066)
Later than one month and not later than three months [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (37) | (2)
Later than one month and not later than three months [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (881) | (638)
Later than one month and not later than three months [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (2,973) | (5,170)
Later than one month and not later than three months [member] | Forward contract [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (5) |
Later than one month and not later than three months [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | R$ (1,722) | R$ (1,256)
Later than three months and not later than six months [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 14.70% | 14.40%
Financial liabilities at fair value | R$ (11,332) | R$ (9,108)
Later than three months and not later than six months [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (12) | (6)
Later than three months and not later than six months [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (1,241) | (1,057)
Later than three months and not later than six months [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (9,214) | (7,479)
Later than three months and not later than six months [member] | Forward contract [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value |  |
Later than three months and not later than six months [member] | Credit derivatives [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (2) | (1)
Later than three months and not later than six months [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | R$ (863) | R$ (565)
Later than six months and not later than one year [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 22.30% | 12.10%
Financial liabilities at fair value | R$ (17,164) | R$ (7,625)
Later than six months and not later than one year [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (53) | (5)
Later than six months and not later than one year [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (2,992) | (2,275)
Later than six months and not later than one year [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (12,900) | (4,247)
Later than six months and not later than one year [member] | Forward contract [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (5) |
Later than six months and not later than one year [member] | Credit derivatives [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (1) | (1)
Later than six months and not later than one year [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | R$ (1,213) | R$ (1,097)
Later than one year and not later than two years [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 11.80% | 13.60%
Financial liabilities at fair value | R$ (9,056) | R$ (8,596)
Later than one year and not later than two years [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (97) | (36)
Later than one year and not later than two years [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (7,344) | (6,944)
Later than one year and not later than two years [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (901) | (786)
Later than one year and not later than two years [member] | Credit derivatives [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (7) | (8)
Later than one year and not later than two years [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | R$ (707) | R$ (822)
Later than Two Years [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
% per maturity term | 33.50% | 37.40%
Financial liabilities at fair value | R$ (25,689) | R$ (23,656)
Later than Two Years [member] | Derivative liabilities [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (198) | (102)
Later than Two Years [member] | Swaps [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (23,775) | (22,170)
Later than Two Years [member] | Option Agreements [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (673) | (779)
Later than Two Years [member] | Credit derivatives [member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (594) | (188)
Later than Two Years [member] | Non Deliverable Forward [Member] | Derivative liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities at fair value | (449) | (417)
Derivative Assets [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 78,208 | R$ 69,045
% per maturity term | 100.00% | 100.00%
Derivative Assets [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 402 | R$ 483
% per maturity term | 0.50% | 0.70%
Derivative Assets [member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 22,572 | R$ 15,492
% per maturity term | 28.90% | 22.40%
Derivative Assets [member] | Not later than one month [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 1 | R$ 285
Derivative Assets [member] | Later than one month and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 3,142 | R$ 6,261
% per maturity term | 4.00% | 9.10%
Derivative Assets [member] | Later than one month and not later than three months [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 28 | R$ 2
Derivative Assets [member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 4,073 | R$ 6,031
% per maturity term | 5.20% | 8.70%
Derivative Assets [member] | Later than three months and not later than six months [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 1 |
Derivative Assets [member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 8,362 | R$ 5,632
% per maturity term | 10.70% | 8.20%
Derivative Assets [member] | Later than six months and not later than one year [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 5 | R$ 6
Derivative Assets [member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 10,093 | R$ 8,826
% per maturity term | 12.90% | 12.80%
Derivative Assets [member] | Later than one year and not later than two years [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 26 | R$ 25
Derivative Assets [member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 29,966 | R$ 26,803
% per maturity term | 38.30% | 38.80%
Derivative Assets [member] | Later than Two Years [member] | Swaps Other Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 341 | R$ 165
Derivative Assets [member] | Swap contract [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 46,902 | R$ 38,014
% per maturity term | 59.90% | 55.00%
Derivative Assets [member] | Swap contract [member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 4,866 | R$ 1,820
Derivative Assets [member] | Swap contract [member] | Later than one month and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 1,022 | 370
Derivative Assets [member] | Swap contract [member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 1,635 | 837
Derivative Assets [member] | Swap contract [member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 2,842 | 2,596
Derivative Assets [member] | Swap contract [member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 8,261 | 7,341
Derivative Assets [member] | Swap contract [member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 28,276 | 25,050
Derivative Assets [member] | Option Agreements [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 23,671 | R$ 21,252
% per maturity term | 30.30% | 30.80%
Derivative Assets [member] | Option Agreements [Member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 15,610 | R$ 10,599
Derivative Assets [member] | Option Agreements [Member] | Later than one month and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 923 | 3,515
Derivative Assets [member] | Option Agreements [Member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 1,443 | 3,788
Derivative Assets [member] | Option Agreements [Member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 4,283 | 1,913
Derivative Assets [member] | Option Agreements [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 802 | 683
Derivative Assets [member] | Option Agreements [Member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 610 | 754
Derivative Assets [member] | Forward contract [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 601 | R$ 3,111
% per maturity term | 0.80% | 4.50%
Derivative Assets [member] | Forward contract [member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 460 | R$ 1,595
Derivative Assets [member] | Forward contract [member] | Later than one month and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 74 | 1,167
Derivative Assets [member] | Forward contract [member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 58 | 290
Derivative Assets [member] | Forward contract [member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 3 | 56
Derivative Assets [member] | Forward contract [member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value |  | 3
Derivative Assets [member] | Forward contract [member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 6 |
Derivative Assets [member] | Credit derivatives [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 492 | R$ 242
% per maturity term | 0.60% | 0.40%
Derivative Assets [member] | Credit derivatives [member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 3 |
Derivative Assets [member] | Credit derivatives [member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 10 | R$ 7
Derivative Assets [member] | Credit derivatives [member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 9 | 8
Derivative Assets [member] | Credit derivatives [member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 9 | 22
Derivative Assets [member] | Credit derivatives [member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 461 | 205
Derivative Assets [member] | Non Deliverable Forward [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 6,140 | R$ 5,943
% per maturity term | 7.90% | 8.60%
Derivative Assets [member] | Non Deliverable Forward [Member] | Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 1,632 | R$ 1,193
Derivative Assets [member] | Non Deliverable Forward [Member] | Later than one month and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 1,095 | 1,207
Derivative Assets [member] | Non Deliverable Forward [Member] | Later than three months and not later than six months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 926 | 1,109
Derivative Assets [member] | Non Deliverable Forward [Member] | Later than six months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 1,220 | 1,053
Derivative Assets [member] | Non Deliverable Forward [Member] | Later than one year and not later than two years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | 995 | 752
Derivative Assets [member] | Non Deliverable Forward [Member] | Later than Two Years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets at fair value | R$ 272 | R$ 629

X
- Definition The average rate of a hedging instrument. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 23B -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_23B_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_AverageRateOfHedgingInstrument
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_FinancialLiabilitiesAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_ClassesOfLiabilitiesAxis=itub_DerivativeLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=itub_SwapsOtherCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=itub_SwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=itub_OptionAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=ifrs-full_ForwardContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=itub_CreditDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=itub_NonDeliverableForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

X
- Details
Name: | ifrs-full_TypesOfFinancialAssetsAxis=itub_SwapsOtherCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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