Overview	12 Months Ended
Dec. 31, 2018
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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 is present in 19 countries and offers a wide variety of financial products and services to individual and corporate customers, through its branches, subsidiaries and international associates. It operates in all modalities of banking activities, by means of its portfolios: commercial; investment; mortgage loans; loans, financing and investment; lease and foreign exchange transactions. Its operations are divided into three segments: Retail Bank, Wholesale Bank, and Activities with the Market + Corporation. Further detailed segment information is presented in Note 30. ITAÚ UNIBANCO HOLDING is a 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 Investimentos Itaú 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 common shares. These consolidated financial statements were approved by the Executive Board on February 04, 2019.

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 is present in 19 countries and offers a wide variety of financial products and services to individual and corporate customers, through its branches, subsidiaries and international associates. It operates in all modalities of banking activities, by means of its portfolios: commercial; investment; mortgage loans; loans, financing and investment; lease and foreign exchange transactions. Its operations are divided into three segments: Retail Bank, Wholesale Bank, and Activities with the Market + Corporation. Further detailed segment information is presented in Note 30.

ITAÚ UNIBANCO HOLDING is a 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 Investimentos Itaú 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 common shares.

These consolidated financial statements were approved by the Executive Board on February 04, 2019.