XML 213 R181.htm IDEA: XBRL DOCUMENT v3.23.1

Related parties (Details 1) - Management Members, members of the Audit Committee and the Board of Directors [Member] - BRL (R$) R$ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
IfrsStatementLineItems [Line Items]
Compensation and benefits of key management personnel	R$ (1,005)	R$ (797)	R$ (927)
Fees [Member]
IfrsStatementLineItems [Line Items]
Compensation and benefits of key management personnel	(603)	(460)	(578)
Employee profit sharing plan [member]
IfrsStatementLineItems [Line Items]
Compensation and benefits of key management personnel	(255)	(208)	(112)
Post employment benefits [member]
IfrsStatementLineItems [Line Items]
Compensation and benefits of key management personnel	(5)	(9)	(9)
Granting of the Share-based payment [Member]
IfrsStatementLineItems [Line Items]
Compensation and benefits of key management personnel	R$ (142)	R$ (120)	R$ (228)

X

- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	itub_
Data Type:	xbrli:stringItemType
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X

- Details

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Namespace Prefix:
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X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_FeesMember
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_EmployeeProfitSharingPlanMember
Namespace Prefix:
Data Type:	na
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Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_PostEmploymentBenefitsMember
Namespace Prefix:
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X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=itub_GrantingOfTheSharebasedPaymentMember
Namespace Prefix:
Data Type:	na
Balance Type:
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