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FINANCIAL INSTRUMENTS (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | R$ 19,546,276 | R$ 15,578,870
Total current financial assets | 21,078,889 | 16,773,361
Total current financial assets at fair value through profit or loss | 1,532,613 | 1,194,491
Total non-current financial assets at amortised cost | 2,976,607 | 2,581,910
Total non-current financial assets | 3,055,344 | 2,676,610
Total non-current financial assets at fair value through profit or loss | 78,737 | 94,700
Total financial assets at fair value through profit or loss | 1,611,350 | 1,289,191
Total financial assets at amortised cost | 22,522,883 | 18,160,780
Total financial assets | 24,134,233 | 19,449,971
[custom:FairValueThroughOtherComprehensiveIncome-0] | 672,280 |
Financial liabilities at fair value through profit or loss | 324,215 | 486,407
Financial liabilities at amortised cost | 58,342,488 | 55,175,650
Financial liabilities | 59,338,983 | 55,662,057
Dividends And Interest On Equity [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | 185,178 | 77,377
Total current financial assets | 185,178 | 77,377
Cash And Cash Equivalant [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | 16,046,218 | 11,991,356
Total current financial assets | 16,046,218 | 11,991,356
Short Term Investment [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | 39,800 | 271,590
Total current financial assets | 1,533,004 | 1,184,895
Total current financial assets at fair value through profit or loss | 1,493,204 | 1,456,485
Trade receivables [member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | 3,269,764 | 3,233,164
Total current financial assets | 3,269,764 | 3,233,164
Derivatives [member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets | 32,211 |
Total current financial assets at fair value through profit or loss | 32,211 |
Current financial liabilities at fair value through profit or loss | 263,747 | 416,935
Non-current financial liabilities at fair value through profit or loss | 60,468 | 69,472
Trading securities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets | 7,198 | 9,596
Total current financial assets at fair value through profit or loss | 7,198 | 9,596
Related parties [member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current financial assets at amortised cost | 5,316 | 5,383
Total current financial assets | 5,316 | 5,383
Total non-current financial assets at amortised cost | 1,659,412 | 1,384,773
Total non-current financial assets | 1,659,412 | 1,384,773
Investment property [member] |  |
IfrsStatementLineItems [Line Items] |  |
Total non-current financial assets at amortised cost | 251,299 | 156,185
Total non-current financial assets | 251,299 | 156,185
Total non-current financial assets at fair value through profit or loss | 78,737 | 94,700
Other Trade Receivables [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total non-current financial assets at amortised cost | 10,406 | 8,059
Total non-current financial assets | 10,406 | 8,059
Eletrobras Compulsory Loan [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total non-current financial assets at amortised cost | 62,913 | 58,030
Total non-current financial assets | 62,913 | 58,030
Receivables By Indemnity [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total non-current financial assets at amortised cost | 992,577 | 974,863
Total non-current financial assets | 992,577 | 974,863
Investment Property 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total non-current financial assets | 78,737 | 94,700
Total non-current financial assets at fair value through profit or loss | 78,737 | 94,700
Borrowings And Financing [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 7,701,796 | 5,269,952
Current financial liabilities | 7,701,796 | 5,269,952
Non-current financial liabilities at amortised cost | 37,772,116 | 36,170,996
Non-current financial liabilities | 37,772,116 | 36,170,996
Leases [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 137,638 | 177,010
Current financial liabilities | 137,638 | 177,010
Non-current financial liabilities at amortised cost | 596,123 | 516,836
Non-current financial liabilities | 596,123 | 516,836
Trade Payables [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 7,739,520 | 6,596,915
Current financial liabilities | 7,739,520 | 6,596,915
Non-current financial liabilities at amortised cost | 31,060 | 46,269
Non-current financial liabilities | 31,060 | 46,269
Trade Payables Drawee Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 4,209,434 | 5,709,069
Current financial liabilities | 4,209,434 | 5,709,069
Dividends And Interest On Capital [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 80,624 | 611,307
Current financial liabilities | 80,624 | 611,307
Derivative Financial Instruments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities | 936,027 | 416,935
[custom:FairValueThroughOtherComprehensiveIncomeLiabilitiesCurrent-0] | 672,280 |
Current financial liabilities at fair value through profit or loss | 263,747 | 416,935
Non-current financial liabilities | 60,468 | 69,472
Non-current financial liabilities at fair value through profit or loss | 60,468 | 69,472
Liabilities Current [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current financial liabilities at amortised cost | 19,869,012 | 18,364,253
Current financial liabilities | 20,805,039 | 18,781,188
[custom:FairValueThroughOtherComprehensiveIncomeLiabilitiesCurrent-0] | 672,280 |
Current financial liabilities at fair value through profit or loss | 263,747 | 416,935
Concessions Payable [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-current financial liabilities at amortised cost | 74,177 | 77,296
Non-current financial liabilities | 74,177 | 77,296
Liabilities Non Current [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-current financial liabilities at amortised cost | 38,473,476 | 36,811,397
Non-current financial liabilities | 38,533,944 | 36,880,869
Non-current financial liabilities at fair value through profit or loss | R$ 60,468 | R$ 69,472

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