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EMPLOYEE BENEFITS (Details 13) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Actuarial liability at the beginning of the year | R$ 537,290 | R$ 584,288 |
Actuarial liability at the end of the year | 481,118 | 537,290 | R$ 584,288
Post Employment Healthcare Benefits [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Actuarial liability at the beginning of the year | 537,290 | 584,288 | 678,880
Expenses recognized in income for the year | 58,737 | 57,926 | 42,355
Sponsor's contributions transferred in prior year | (51,788) | (62,213) | (73,324)
Recognition of actuarial loss/(gain) | (63,121) | (42,711) | (63,623)
Actuarial liability at the end of the year | R$ 481,118 | R$ 537,290 | R$ 584,288

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