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SUBSEQUENT EVENTS (Details) - Transaction Between Gerdau Next and NW Capital
R$ in Thousands
Mar. 15, 2023
BRL (R$)
SUBSEQUENT EVENTS  
Percentage of energy generated by the energy generation projects 30.00%
Subscription of amount in first phase of the transaction R$ 500,000
Period of subscription of amount to be paid 18 months
Gerdau Next  
SUBSEQUENT EVENTS  
Equity Interests (as a percent) 33.33%
NW Capital  
SUBSEQUENT EVENTS  
Equity Interests (as a percent) 66.67%