XML 165 R133.htm IDEA: XBRL DOCUMENT
v3.23.1

Stockholders' equity (Details 3) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 BRL (R$) $ / shares | Dec. 31, 2022 BRL (R$) | Dec. 31, 2021 BRL (R$) $ / shares | Dec. 31, 2021 BRL (R$) | Dec. 31, 2020 BRL (R$) $ / shares | Dec. 31, 2020 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Paid / prepaid, Gross |  | R$ 4,906 |  | R$ 4,179 |  | R$ 2,127
Paid / prepaid |  | (735) |  | (407) |  | (78)
Paid / prepaid |  | 4,171 |  | 3,772 |  | 2,049
Interest on capital |  | 2,540 |  |  |  |
Interest on capital, WHT |  |  |  | 2,159 |  | 439
Interest on capital | $ / shares |  |  | $ 0.2207 |  |  |
Interest on capital-paid |  | 3,004 |  |  |  |
Interest on capital, WHT |  |  |  | (381) |  |
Accrued (Recorded in Other Liabilities) | R$ 4,938 | 4,938 | $ 2,894 | 2,894 | R$ 2,861 | 2,861
Accrued (Recorded in Other Liabilities) | (741) | (741) | (435) | (435) | (407) | (407)
Accrued (Recorded in Other Liabilities) | 4,197 | 4,197 | 2,459 | 2,459 | 2,454 | 2,454
Total,Gross |  | 9,844 |  | 7,073 |  | 4,988
Total, WHT |  | (1,476) |  | (842) |  | (485)
Total | R$ 8,368 | 8,368 | $ 6,231 | 6,231 | R$ 4,503 | 4,503
Dividends - 11 monthly installments paid from February to December |  | (293) |  | (1,596) |  | (2,261)
Dividends - 1 monthly installment paid |  |  |  |  |  | 146
Dividends Or Interest On Capital |  |  |  |  |  | 1,361
Interest On Capital One [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Interest on capital | $ / shares | R$ 0.0150 |  | $ 0.0150 |  | R$ 0.0450 |
Interest on capital |  | 1,902 |  | 173 |  | 517
Interest on capital, WHT |  | (285) |  | (26) |  | (78)
Interest on capital, WHT |  | 1,617 |  | 147 |  |
Interest on capital - paid |  | 2,554 |  |  |  |
Dividends | $ / shares |  |  | 0.0150 |  | 0.0150 |
Dividends - 11 monthly installments paid from February to December |  |  |  | 1,466 |  | 1,610
Interest On Capital Two [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Interest on capital | $ / shares | 0.0150 |  | 0.0150 |  | 0.0544 |
Interest on capital |  | 173 |  | 173 |  | 624
Interest on capital, WHT |  | (26) |  | (26) |  | (93)
Interest on capital, WHT |  | 147 |  | 147 |  | 531
Interest on capital | $ / shares | 0.2605 |  |  |  |  |
Interest on capital, WHT |  | (450) |  |  |  |
Dividends | $ / shares |  |  |  |  | 0.0150 |
Dividends - 1 monthly installment paid |  |  |  |  |  | 146
Interest On Capital Three [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Interest on capital-paid |  | 4,765 |  | 2,587 |  | 490
Interest on capital, WHT |  | (715) |  | (388) |  | (74)
Interest on capital - paid |  | R$ 4,050 |  | 2,199 |  | 416
Interest on capital | $ / shares | R$ 0.4133 |  | 0.2249 |  | 0.0426 |
Dividends | $ / shares |  |  |  |  | R$ 0.1394 |
Dividends Or Interest On Capital |  |  |  |  |  | 1,601
Dividend or Interest on capital tax WHT |  |  |  |  |  | R$ (240)
Interest On Capital Four [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Interest on capital-paid |  |  |  | 134 |  |
Interest on capital, WHT |  |  |  | (21) |  |
Interest on capital - paid |  |  |  | R$ 113 |  |
Interest on capital | $ / shares |  |  | $ 0.0116 |  |  |

X
- Definition The amount of current dividend payables. [Refer: Dividend payables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_CurrentDividendPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 107 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_107&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DividendsPaid
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of dividends paid per ordinary share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 34 -IssueDate 2022-03-24 -Paragraph 16A -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2022-en-r&anchor=para_16A_f&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DividendsPaidOrdinarySharesPerShare
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current Dividend Payables Gross. + References No definition available. + Details
Name: | itub_CurrentDividendPayablesGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Current Dividend Payables With holdingTax. + References No definition available. + Details
Name: | itub_CurrentDividendPayablesWithHoldingtax
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Dividends and interest on shareholder's equity payable. + References No definition available. + Details
Name: | itub_DividendsAndInterestOnShareholderEquityPayable
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Dividends or interest on capital recognised as distributions to owners of parent relating to prior years gross. + References No definition available. + Details
Name: | itub_DividendsOrInterestOnCapitalRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYearsGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends or interest on capital recognised as distributions to owners of parent relating to prior years withholding tax. + References No definition available. + Details
Name: | itub_DividendsOrInterestOnCapitalRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYearsWithholdingTax
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends paid and prepaid. + References No definition available. + Details
Name: | itub_DividendsPaidAndPrepaid
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends paid and prepaid gross. + References No definition available. + Details
Name: | itub_DividendsPaidAndPrepaidGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends paid and prepaid withholding tax. + References No definition available. + Details
Name: | itub_DividendsPaidAndPrepaidWithholdingTax
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends provided for recorded in other liabilities. + References No definition available. + Details
Name: | itub_DividendsProvidedForRecordedInOtherLiabilities
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_InterestOnCapitalMonthlyInstallmentPaidAndPrepaid
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest on capital monthly installment paid and prepaid gross. + References No definition available. + Details
Name: | itub_InterestOnCapitalMonthlyInstallmentPaidAndPrepaidGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest on capital monthly installment paid and prepaid withholding tax. + References No definition available. + Details
Name: | itub_InterestOnCapitalMonthlyInstallmentPaidAndPrepaidWithholdingTax
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Interest on capital paid and prepaid. + References No definition available. + Details
Name: | itub_InterestOnCapitalPaidAndPrepaid
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest on capital paid and prepaid gross. + References No definition available. + Details
Name: | itub_InterestOnCapitalPaidAndPrepaidGross
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest on capital paid and prepaid withholding tax. + References No definition available. + Details
Name: | itub_InterestOnCapitalPaidAndPrepaidWithholdingTax
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=itub_InterestOnCapitalOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=itub_InterestOnCapitalTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=itub_InterestOnCapitalThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=itub_InterestOnCapitalFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |