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EMPLOYEE BENEFITS (Details 16) - Number
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
General mortality table Millennium Plan: AT-2012 segregated by gender Plans 35% : AT-2000 Male, aggravated by 15% Supplementation: AT-2000 segregated by gender, aggravated by 10% Mauá Prev: AT-2000 segregated by gender Millennium Plan: AT-2012 segregated by gender Plans 35% : AT-2000 Male, aggravated by 15% Supplementation: AT-2000 segregated by gender, aggravated by 10%
Actuarial assumption of expected rates of inflation 5.31% 5.03%
Post Employment Healthcare Benefits [Member]    
IfrsStatementLineItems [Line Items]    
General mortality table AT 2000 segregated by gender 20% AT 2000 segregated by gender 20%
Actuarial assumption of discount rates 6.10% 10.55%
Actuarial assumption of expected rates of inflation 5.31% 5.03%
Real increase in medical costs based on age (Aging Factor) 0,5% - 3,00% real a.a. 0,5% - 3,00% real a.a.
Actuarial assumption of medical cost trend rates 4.10% 4.10%
Average medical cost 1,084.14 1,011.42