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EMPLOYEE BENEFITS (Details 13) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |
Actuarial liability at the beginning of the year | R$ 584,288 | R$ 678,880 |
Actuarial liability at the end of the year | 537,290 | 584,288 | R$ 678,880
Post Employment Healthcare Benefits [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Actuarial liability at the beginning of the year | 584,288 | 678,880 | 892,396
Expenses recognized in income for the year | 57,926 | 42,355 | 57,731
Sponsor's contributions transferred in prior year | (62,213) | (73,324) | (81,340)
Recognition of actuarial loss/(gain) | (42,711) | (63,623) | (189,907)
Actuarial liability at the end of the year | R$ 537,290 | R$ 584,288 | R$ 678,880

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