Goodwill and Intangible assets (Details Narrative) - BRL (R$) R$ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
IfrsStatementLineItems [Line Items]
Goodwill and intangible assets	R$ 23,114	R$ 21,110	R$ 17,330
Itau Banca [Member]
IfrsStatementLineItems [Line Items]
Goodwill and intangible assets	R$ 3,015	R$ 3,375

The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]

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

Name:	ifrs-full_IntangibleAssetsAndGoodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant