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EMPLOYEES BENEFITS PLANS (Details 9)
R$ in Thousands
Dec. 31, 2022
BRL (R$)
Actuarial assumption of discount rates [member] | Medical Plan [Member]  
IfrsStatementLineItems [Line Items]  
Assumptions utilized 9.74%
Average (%) 10.74%
Actuarial liabilities R$ 102,879
Average (%) 8.74%
Actuarial liabilities R$ 141,159
Actuarial assumption of discount rates [member] | F G T S Penalty [Member]  
IfrsStatementLineItems [Line Items]  
Assumptions utilized 9.66%
Average (%) 10.66%
Actuarial liabilities R$ 57,668
Average (%) 8.66%
Actuarial liabilities R$ 64,023
Actuarial assumption of expected rates of inflation [member] | Medical Plan [Member]  
IfrsStatementLineItems [Line Items]  
Assumptions utilized 6.60%
Average (%) 7.60%
Actuarial liabilities R$ 141,105
Average (%) 5.60%
Actuarial liabilities R$ 102,687
Actuarial assumption of expected rates of salary increases [member] | F G T S Penalty [Member]  
IfrsStatementLineItems [Line Items]  
Assumptions utilized 3.50%
Average (%) 4.50%
Actuarial liabilities R$ 54,466
Average (%) 2.50%
Actuarial liabilities R$ 53,345
Turnover [Member] | F G T S Penalty [Member]  
IfrsStatementLineItems [Line Items]  
Average (%) 3.00%
Actuarial liabilities R$ 44,883
Average (%) 3.00%
Actuarial liabilities R$ 66,993