Trade accounts receivables - Roll-forward of the expected credit losses (Details) - BRL (R$) R$ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Reconciliation of changes in allowance account for credit losses of financial assets [abstract] | ||
| Opening Balance | R$ 208,091 | R$ 97,934 |
| Closing Balance | 198,646 | 208,091 |
| Trade accounts receivable | ||
| Reconciliation of changes in allowance account for credit losses of financial assets [abstract] | ||
| Opening Balance | 131,548 | 30,300 |
| (Provisions)/Reversals, net | 16,607 | (119,417) |
| Utilisation Allowance Account For Credit Losses Financial Assetss | 12,390 | 16,937 |
| Increase Decrease In Allowance Account For Credi tLosses Financial Assets | (5,165) | (1,232) |
| Closing Balance | R$ 97,386 | R$ 131,548 |