Trade accounts receivable (Details 2) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Total | R$ 5,741,906 | R$ 5,486,319 |
| Current [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 4,239,134 | 3,917,182 |
| Not later than one month [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 428,654 | 372,836 |
| Later than one month and not later than two months [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 139,462 | 123,183 |
| Later than two months and not later than three months [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 127,781 | 149,653 |
| Later than three months and not later than four months [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 121,913 | 105,426 |
| Later Than Three Months And Not Greater Than Four Months [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | R$ 684,962 | R$ 818,039 |