Income and social contributions taxes - Breakdown of accumulated tax losses and social contribution tax losses carried forward (Details) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||
| Tax loss carried forward | R$ 3,929,920 | R$ 3,187,324 |
| Negative tax basis of social contribution carried forward | R$ 4,240,000 | R$ 3,412,700 |