DEFERRED INCOME - Changes in contractual liabilities (Details) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Accruals and deferred income including contract liabilities [abstract] | ||
| Balance at the beginning of the year | R$ 1,016,935 | R$ 963,407 |
| Additions | 9,056,854 | 9,482,545 |
| Write-offs, net | (8,995,760) | (9,429,017) |
| Balance at the end of the year | R$ 1,078,029 | R$ 1,016,935 |