Provision for legal and administrative proceedings (Details 3) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Estimated financial effect of contingent liabilities | R$ 26,722,972 | R$ 24,528,974 |
| Provision For Civil And Regulatory [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimated financial effect of contingent liabilities | 1,798,568 | 1,911,281 |
| Provision For Labor And Social Security [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimated financial effect of contingent liabilities | 474,376 | 378,286 |
| Provision For Tax [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimated financial effect of contingent liabilities | R$ 24,450,028 | R$ 22,239,407 |