Financial instruments and risk management - Fair Value Maturity Schedule (Details) - BRL (R$) R$ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ 3,314,002 | R$ 230,312 |
| 2026 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 1,377,007 | 351,949 |
| 2027 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 1,746,941 | 674,290 |
| 2028 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 192,309 | 96,273 |
| 2029 onwards | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ (2,255) | R$ (892,200) |