Financial instruments - Fair Value Maturity Schedule (Details) - BRL (R$) R$ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ 493,113 | R$ (6,567,720) |
| 2025 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 176,214 | (1,753,846) |
| 2026 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 448,898 | (1,699,768) |
| 2027 | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | 741,124 | (36,905) |
| 2028 onwards | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Fair value in R$ | R$ (873,123) | R$ (3,077,201) |