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Other disclosures (Details 3) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Asset [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Cash and reserves at the Central Bank of Brazil | R$ 14,780,432 | R$ 22,500,450
Financial assets/liabilities measured at fair value through profit or loss held for trading | 9,671,662 | 14,413,853
Financial assets/liabilities measured at amortized cost | 93,642,915 | 105,973,276
Total | 118,095,009 | 142,887,579
Liabilities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Cash and reserves at the Central Bank of Brazil |  |
Financial assets/liabilities measured at fair value through profit or loss held for trading | 7,981,591 | 12,658,267
Financial assets/liabilities measured at amortized cost | 157,559,409 | 174,910,624
Total | R$ 165,541,000 | R$ 187,568,891

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