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RECEIVABLES FROM CUSTOMERS (Details) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Billed supply | R$ 3,240 | R$ 3,410
Unbilled supply | 1,244 | 930
Other concession holders - wholesale supply | 67 | 52
Other concession holders - wholesale supply, unbilled | 369 | 265
CCEE (Power Trading Chamber) | 162 | 169
Concession Holders - power transport | 180 | 170
Concession Holders - power transport, unbilled | 370 | 319
Provision for doubtful receivables | (820) | (833)
Trade and other receivables | 4,812 | 4,482
Current assets | 4,769 | 4,430
Non-current assets | 43 | R$ 52
Balances Not Yet Due [member] |  |
IfrsStatementLineItems [Line Items] |  |
Billed supply | 1,415 |
Unbilled supply | 1,244 |
Other concession holders - wholesale supply | 22 |
Other concession holders - wholesale supply, unbilled | 369 |
CCEE (Power Trading Chamber) | 33 |
Concession Holders - power transport | 53 |
Concession Holders - power transport, unbilled | 370 |
Provision for doubtful receivables | (146) |
Trade and other receivables | 3,360 |
Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Billed supply | 568 |
Unbilled supply |  |
Other concession holders - wholesale supply | 45 |
Other concession holders - wholesale supply, unbilled |  |
CCEE (Power Trading Chamber) | 121 |
Concession Holders - power transport | 18 |
Concession Holders - power transport, unbilled |  |
Provision for doubtful receivables | (87) |
Trade and other receivables | 665 |
Later than three months and not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Billed supply | 642 |
Unbilled supply |  |
Other concession holders - wholesale supply |  |
Other concession holders - wholesale supply, unbilled |  |
CCEE (Power Trading Chamber) | 7 |
Concession Holders - power transport | 22 |
Concession Holders - power transport, unbilled |  |
Provision for doubtful receivables | (112) |
Trade and other receivables | 559 |
More Than One Year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Billed supply | 615 |
Unbilled supply |  |
Other concession holders - wholesale supply |  |
Other concession holders - wholesale supply, unbilled |  |
CCEE (Power Trading Chamber) | 1 |
Concession Holders - power transport | 87 |
Concession Holders - power transport, unbilled |  |
Provision for doubtful receivables | (475) |
Trade and other receivables | R$ 228 |

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