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OPERATING COSTS AND EXPENSES (Details 2) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |
Personnel | R$ 1,352 | R$ 1,240
Employees’ and managers’ income sharing | 83 | 134
Post-employment benefits (Note 24) | 626 | 16
Materials | 149 | 94
Outsourced services | 1,706 | 1,450
Depreciation and amortization | 1,182 | 1,049
Operating provisions and adjustments for operating losses | 401 | 231
Expected credit losses of accounts receivable | 109 | 144
Reversal of provision for expected credit losses with related party - Renova | (54) |
Write-off of financial asset (Note 14) | 172 |
Other operation costs and expenses | 398 | 394
Total | 6,123 | 4,752
Operating Cost [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Personnel | 976 | 983
Employees’ and managers’ income sharing |  |
Post-employment benefits (Note 24) |  |
Materials | 93 | 76
Outsourced services | 1,433 | 1,265
Depreciation and amortization | 1,110 | 947
Operating provisions and adjustments for operating losses | 278 | 86
Expected credit losses of accounts receivable |  |
Reversal of provision for expected credit losses with related party - Renova |  |
Write-off of financial asset (Note 14) |  |
Other operation costs and expenses | 205 | 81
Total | 4,095 | 3,438
Expected Credit Loss [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Personnel |  |
Employees’ and managers’ income sharing |  |
Post-employment benefits (Note 24) |  |
Materials |  |
Outsourced services |  |
Depreciation and amortization |  |
Operating provisions and adjustments for operating losses |  |
Expected credit losses of accounts receivable | 109 | 144
Reversal of provision for expected credit losses with related party - Renova |  |
Write-off of financial asset (Note 14) |  |
Other operation costs and expenses |  |
Total | 109 | 144
General And Administrative Expenses [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Personnel | 376 | 258
Employees’ and managers’ income sharing | 4 | 2
Post-employment benefits (Note 24) |  |
Materials | 55 | 18
Outsourced services | 273 | 185
Depreciation and amortization | 72 | 102
Operating provisions and adjustments for operating losses |  |
Expected credit losses of accounts receivable |  |
Reversal of provision for expected credit losses with related party - Renova |  |
Write-off of financial asset (Note 14) |  |
Other operation costs and expenses | 9 | 7
Total | 789 | 572
Other Operating Expenses [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Personnel |  |
Employees’ and managers’ income sharing | 79 | 132
Post-employment benefits (Note 24) | 626 | 15
Materials |  |
Outsourced services |  |
Depreciation and amortization |  |
Operating provisions and adjustments for operating losses | 123 | 145
Expected credit losses of accounts receivable |  |
Reversal of provision for expected credit losses with related party - Renova | (54) |
Write-off of financial asset (Note 14) | 172 |
Other operation costs and expenses | 178 | 306
Total | R$ 1,125 | R$ 598

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