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EMPLOYEE BENEFITS (Details 17)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
BRL (R$)
shares
Possible Increase In Actuarial Assumption [Member] | Actuarial assumption of discount rates [member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level 0.50%
Possible Increase In Actuarial Assumption [Member] | Actuarial assumption of discount rates [member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level 0.50%
Effect on current service cost and on interest on actuarial obligations | R$ R$ 489
Effect on present value of obligations | shares (17,379)
Possible Increase In Actuarial Assumption [Member] | Actuarial Assumption Of Medical Inflation [Member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level 1.00%
Effect on current service cost and on interest on actuarial obligations | R$ R$ 4,923
Effect on present value of obligations | shares 41,959
Possible Increase In Actuarial Assumption [Member] | Actuarial Assumption Of Mortality Table [Member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Effect on current service cost and on interest on actuarial obligations | R$ R$ 3,755
Effect on present value of obligations | shares 32,004
Sensitivity level, year +1 ano
Possible Increase In Actuarial Assumption [Member] | Actuarial assumption of mortality rates [member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level, year +1 ano
Possible Decrease In Actuarial Assumption [Member] | Actuarial assumption of discount rates [member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level (0.50%)
Possible Decrease In Actuarial Assumption [Member] | Actuarial assumption of discount rates [member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level (0.50%)
Effect on current service cost and on interest on actuarial obligations | R$ R$ (529)
Effect on present value of obligations | shares 18,672
Possible Decrease In Actuarial Assumption [Member] | Actuarial assumption of mortality rates [member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level, year - 1 ano
Actuarial Assumption Of Medical Inflation [Member] | Actuarial assumption of discount rates [member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Sensitivity level (1.00%)
Effect on current service cost and on interest on actuarial obligations | R$ R$ (4,334)
Effect on present value of obligations | shares (36,932)
Actuarial Assumption Of Mortality Table [Member] | Actuarial assumption of mortality rates [member] | Healthcare Plan [Member]  
IfrsStatementLineItems [Line Items]  
Effect on current service cost and on interest on actuarial obligations | R$ R$ (3,556)
Effect on present value of obligations | shares (30,305)
Sensitivity level, year - 1 ano