XML 44 R7.htm IDEA: XBRL DOCUMENT
v3.22.1

Overview | 12 Months Ended
--- | ---
Dec. 31, 2021
Text Block [Abstract] |
Overview | Note 1 - Overview Itaú Unibanco Holding S.A. (ITAÚ UNIBANCO HOLDING) is a publicly-held company, organized and existing under the laws of Brazil. The head office is located at Praça Alfredo Egydio de Souza Aranha, n° 100, in the city of São Paulo, state of São Paulo, Brazil. ITAÚ UNIBANCO HOLDING has a presence in 18 countries and territories and offers a wide variety of financial products and services to personal and corporate customers in Brazil and abroad, not necessarily related to Brazil, through its branches, subsidiaries and international affiliates. It offers a full range of banking services, through its different portfolios: commercial banking; investment banking; real estate lending; loans, financing and investment; leasing and foreign exchange business. Its operations are divided into three segments: Retail Banking, Wholesale Banking, and Activities with the Market + Corporation. Further detailed segment information is presented in Note 30. ITAÚ UNIBANCO HOLDING is a financial holding company controlled by Itaú Unibanco Participações S.A. (“IUPAR”), a holding company which owns 51.71% of our common shares, and which is jointly controlled by (i) Itaúsa S.A. (“ITAÚSA”), a holding company controlled by members of the Egydio de Souza Aranha family, and (ii) Companhia E. Johnston de Participações (“E. JOHNSTON”), a holding company controlled by the Moreira Salles family. Itaúsa also directly holds 39.21% of ITAÚ UNIBANCO HOLDING’s common shares. These consolidated financial statements were approved by the Board of Directors on April 28, 2022.

X
- Definition Entire disclosure of company overview. + References No definition available. + Details
Name: | itub_DisclosureOfCompanyOverviewExplanatory
Namespace Prefix: | itub_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | itub_TextblockAbstract
Namespace Prefix: | itub_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration