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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

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