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OPERATING COSTS AND EXPENSES (Details 1) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating Costs And Expenses      
Personnel and managers R$ 135 R$ 100 R$ 83
Materials 2,233 1,150 775
Outsourced services 1,052 682 598
Others 116 104 125
Total R$ 3,536 R$ 2,036 R$ 1,581