XML 182 R152.htm IDEA: XBRL DOCUMENT v3.25.1

Taxes (Details)	12 Months Ended
	Dec. 31, 2024
Taxes
Income tax	15.00%
Additional income tax	10.00%
Social contribution on net income	20.00%

X

- References

No definition available.

+ Details

Name:	itub_AdditionalIncomeTaxesRate
Namespace Prefix:	itub_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	itub_DisclosureTaxesAbstract
Namespace Prefix:	itub_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	itub_IncomeTaxesRate
Namespace Prefix:	itub_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	itub_SocialContributionTaxesRate
Namespace Prefix:	itub_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration