General information about financial statements (Details) - BRAZIL - item |
Dec. 31, 2026 |
Mar. 31, 2026 |
|---|---|---|
| Fibria | ||
| Company's Operations [Line Items] | ||
| Number of Ports | 4 | |
| Number of Technology Centers | 4,000 | |
| Number of Distribution Centers | 29 | |
| Suzano Industrial | ||
| Company's Operations [Line Items] | ||
| Number of Industrial Units | 13 |