Trade accounts payable (Details) - BRL (R$) R$ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Trade accounts payable [Line Items] | ||
| Trade accounts payable | R$ 5,428,821 | R$ 6,033,285 |
| Total trade accounts payable | ||
| Trade accounts payable [Line Items] | ||
| Trade accounts payable | 5,428,821 | 6,033,285 |
| Foreign countries [member] | Third party | ||
| Trade accounts payable [Line Items] | ||
| Trade accounts payable | 1,067,725 | 1,350,763 |
| Country of domicile [member] | Third party | ||
| Trade accounts payable [Line Items] | ||
| Trade accounts payable | 4,356,593 | 4,681,065 |
| Trade and Other Current Payables to Trade Suppliers, Amounts Subject to Factoring | 463,343 | 555,063 |
| Country of domicile [member] | Related party | ||
| Trade accounts payable [Line Items] | ||
| Trade accounts payable | R$ 4,503 | R$ 1,457 |