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v3.23.1

Business development (Details Narrative) - BRL (R$) R$ in Millions |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 09, 2022 | Jun. 07, 2022 | Apr. 29, 2022 | Mar. 22, 2022 | Dec. 31, 2022 | Jul. 14, 2022 | Feb. 22, 2022 | Dec. 31, 2021 | Jul. 13, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value through Other Comprehensive Income |  |  |  |  | R$ 4,885 |  |  | R$ 743 |  |
Increse in capital |  |  |  |  | 90,729 |  |  | 90,729 |  | R$ 97,148
Stockholder equity value |  |  |  |  | R$ 167,953 |  |  | R$ 152,864 |  |
Percentage ownership |  |  |  |  | 51.71% |  |  |  |  |
X P Incs [Member] |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Minority interest equivalent |  |  | 11.36% |  |  |  |  |  |  |
Fair Value through Other Comprehensive Income |  |  | R$ 8,015 |  |  |  |  |  |  |
Percentage of capital interest disposed off | 1.40% | 1.40% |  |  |  |  |  |  |  |
Capital amount | R$ 867 | R$ 867 |  |  |  |  |  |  |  |
Capital fair value | R$ 901 | R$ 901 |  |  |  |  |  |  |  |
Itau Unibanco Holding [Member] |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  | 0.64% |  |  |  |  |  |
Number of shares acquired in subsidiary |  |  |  | 6,266,019,265 |  |  |  |  |  |
Itau Corpbanca [Member] |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  | 55.96% |  | 65.62% |  |  |  |
Interest amount |  |  |  | R$ 64 |  |  |  |  |  |
Ita Holding Colombia S.A.S [Member] | Second Phase Acquisition [Member] |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  |  |  |  | 12.36% |  |  |
Number of shares acquired in subsidiary |  |  |  |  |  |  | 93,306,684 |  |  |
Acquisition date fair value of total consideration transferred |  |  |  |  |  |  | R$ 2,219 |  |  |
Itau Corpbanca [Member] |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Increse in capital |  |  |  |  |  |  |  |  | R$ 830,000 |
Issuance of shares |  |  |  |  |  |  |  |  | 461,111,111,111 |
Shares subscribed |  |  |  |  | 350,048,242,004 |  |  |  |  |
Stockholder equity value |  |  |  |  | R$ 630,000 |  |  |  |  |
Percentage ownership |  |  |  |  | 56.60% |  |  |  |  |

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