DEBT INSTRUMENTS AT AMORTIZED COST (Details 1) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Amortized cost | R$ 259,546,571 | R$ 266,991,967 |
| Fair value | 251,208,086 | 261,096,098 |
| Not later than one year [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Amortized cost | 54,891,298 | 60,043,632 |
| Fair value | 54,651,238 | 59,988,685 |
| Later than one year and not later than five years [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Amortized cost | 138,622,149 | 148,260,712 |
| Fair value | 137,128,315 | 147,475,479 |
| Later than five years and not later than ten years [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Amortized cost | 41,306,602 | 32,891,366 |
| Fair value | 37,109,312 | 32,474,161 |
| Later than ten years [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Amortized cost | 24,726,522 | 25,796,257 |
| Fair value | R$ 22,319,221 | R$ 21,157,773 |