Stockholders' equity - Schedule of Cost of Shares Purchased and Average Cost of Treasury Shares and Market Price (Details) - R$ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Preferred | ||
| Minimum (in brl per share) | R$ 32.81 | R$ 31.42 |
| Weighted average (in brl per share) | 37.91 | 32.83 |
| Maximum (in brl per share) | 41.36 | 33.66 |
| Average cost (in brl per share) | 36.94 | 32.43 |
| Market value on the last day of the base date (in brl per share) | 39.23 | 30.73 |
| Common | ||
| Market value on the last day of the base date (in brl per share) | R$ 36.35 | R$ 26.90 |