Supplementary information (Details) R$ in Millions |
Dec. 05, 2025
BRL (R$)
|
|---|---|
| Financeira Itaú CBD S.A. - Crédito, Financiamento e Investimento | |
| Supplementary Information [Line Items] | |
| Proportion of ownership interest amount | R$ 526 |
| Banco INVESTCRED Unibanco S.A. | |
| Supplementary Information [Line Items] | |
| Proportion of ownership interest amount | R$ 260 |
| Ownership interest acquiring period | 2 years |