Financial instruments and risk management - Fair Value Maturity Schedule (Details) - BRL (R$) R$ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ 3,466,056 | R$ 230,312 |
| 2026 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 696,861 | 351,949 |
| 2027 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 2,101,698 | 674,290 |
| 2028 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 313,412 | 96,273 |
| 2029 onwards | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ 354,085 | R$ (892,200) |