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Loans and advances to clients (Details 9) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Commercial and industrial | R$ 7,238,755 | R$ 7,439,903
Real estate - Construction | 6,693,601 | 6,046,747
Installment loans to individuals | 15,331,081 | 15,123,824
Financial leasing | 30,247 | 37,325
Total | R$ 29,293,684 | R$ 28,647,799
Total Loans Past Due For Less Than 90 Days Member [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Commercial and industrial, percentage | 24.71% | 25.97%
Real estate - Construction, percentage | 22.85% | 21.11%
Installment loans to individuals, percentage | 52.34% | 52.79%
Financial leasing, percentage | 0.10% | 0.13%
Total, percentage | 100.00% | 100.00%

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