Trade accounts receivable (Details 1) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Trade Accounts Receivable | ||
| Opening balance | R$ 670,569 | R$ 629,739 |
| Supplement to expected losses, net of reversal | 765,783 | 693,122 |
| Write-offs of provision | (733,529) | (652,292) |
| Closing balance | R$ 702,823 | R$ 670,569 |