XML 193 R156.htm IDEA: XBRL DOCUMENT
v3.22.1

Share-based payment - Summary of Changes in Share-based Compensation Plan (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2021 R$ / shares | Dec. 31, 2020 R$ / shares
Disclosure Of Share Based Compensation Plans [Line Items] |  |  |
Delivered |  | (11,652,700) | (11,408,109)
Variable compensation [Member] |  |  |
Disclosure Of Share Based Compensation Plans [Line Items] |  |  |
Number of outstanding share options, beginning balance |  | 27,407,231 | 20,220,934
New | [1] | 21,767,235 | 18,329,108
Delivered |  | (10,818,958) | (10,574,321)
Cancelled |  | (1,541,260) | (568,490)
Closing balance |  | 36,814,248 | 27,407,231
Weighted average of remaining contractual life (years) |  | 1 day | 1 day 5 hours
Market value weighted average |  | R$ 23.59 | R$ 31.22
Partner plan [member] |  |  |
Disclosure Of Share Based Compensation Plans [Line Items] |  |  |
Number of outstanding share options, beginning balance |  | 36,291,760 | 39,305,211
New | [2] | 14,583,318 | 10,488,126
Cancelled |  | (2,278,382) | (2,093,468)
Closing balance |  | 36,943,996 | 36,291,760
Weighted average of remaining contractual life (years) |  | 1 year 9 months 18 days | 1 year 8 months 8 days
Market value weighted average |  | R$ 16.71 | R$ 23.37
[1] | As a result of the reduction of the minority interest in XP Inc. and subsequent merger of XPart S.A. (Note 3), as from October 2021, there was an increase in the number of ITUB4 shares to be delivered under the variable compensation plans.
[2] | As a result of the reduction of the minority interest in XP Inc. and subsequent merger of Xpart S.A. (Note 3), as from October 2021, there was and increase in the number of ITUB4 shares to be delivered under the variable compensation plans.

X
- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average share price. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_c&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageSharePrice2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Share Based Compensation Plans [Line Items] + References No definition available. + Details
Name: | itub_DisclosureOfShareBasedCompensationPlansLineItems
Namespace Prefix: | itub_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options cancelled in share based payment arrangement. + References No definition available. + Details
Name: | itub_NumberOfShareOptionsCancelledInShareBasedPaymentArrangement
Namespace Prefix: | itub_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options delivered in share based payment arrangement + References No definition available. + Details
Name: | itub_NumberOfShareOptionsDeliveredInShareBasedPaymentArrangement
Namespace Prefix: | itub_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_VariableCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_PartnerPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |