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Financial Instruments (Details 4) - Interest Rate Risk And Monetary Variation [Member] R$ in Thousands | Dec. 31, 2022 BRL (R$)
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IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | R$ (14,455,226) |
Financial liabilities, projected probable | (1,363,618) |
Financial liabilities, projected scenario 1 | (1,704,522) |
Financial liabilities, projected scenario 2 | (2,045,427) |
Loans And Financing Banco Do Brasil [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (751,673) |
Financial liabilities, projected probable | (93,959) |
Financial liabilities, projected scenario 1 | (117,449) |
Financial liabilities, projected scenario 2 | (140,939) |
Banco Itau [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (1,037,946) |
Financial liabilities, projected probable | (129,743) |
Financial liabilities, projected scenario 1 | (162,179) |
Financial liabilities, projected scenario 2 | (194,615) |
Loans And Financing B N D E S 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (1,712,943) |
Financial liabilities, projected probable | (120,787) |
Financial liabilities, projected scenario 1 | (150,983) |
Financial liabilities, projected scenario 2 | (181,180) |
Loans And Financing B N D E S [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (389,801) |
Financial liabilities, projected probable | (22,530) |
Financial liabilities, projected scenario 1 | (28,163) |
Financial liabilities, projected scenario 2 | (33,796) |
Promissory Notes Banco Do Nordeste [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (718,835) |
Financial liabilities, projected probable | (41,549) |
Financial liabilities, projected scenario 1 | (51,936) |
Financial liabilities, projected scenario 2 | (62,323) |
Promissory Notes Banco Do Brasil Distribution Of Funds From B N D E S [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (60,720) |
Financial liabilities, projected probable | (4,282) |
Financial liabilities, projected scenario 1 | (5,352) |
Financial liabilities, projected scenario 2 | (6,422) |
Promissory Notes Other [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (23,039) |
Financial liabilities, projected probable |  |
Financial liabilities, projected scenario 1 |  |
Financial liabilities, projected scenario 2 |  |
Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (4,953,884) |
Financial liabilities, projected probable | (619,235) |
Financial liabilities, projected scenario 1 | (774,044) |
Financial liabilities, projected scenario 2 | (928,853) |
Debentures One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (2,841,725) |
Financial liabilities, projected probable | (164,252) |
Financial liabilities, projected scenario 1 | (205,315) |
Financial liabilities, projected scenario 2 | (246,378) |
Debentures Two [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (91,468) |
Financial liabilities, projected probable | (6,450) |
Financial liabilities, projected scenario 1 | (8,062) |
Financial liabilities, projected scenario 2 | (9,675) |
Sectorial Financial Liabilities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (483,255) |
Financial liabilities, projected probable | (60,407) |
Financial liabilities, projected scenario 1 | (75,509) |
Financial liabilities, projected scenario 2 | (90,610) |
I C M S Installment Payment [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (48,320) |
Financial liabilities, projected probable | (6,040) |
Financial liabilities, projected scenario 1 | (7,550) |
Financial liabilities, projected scenario 2 | (9,060) |
Special Tax Regularization Program Pert [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (404,075) |
Financial liabilities, projected probable | (50,509) |
Financial liabilities, projected scenario 1 | (63,137) |
Financial liabilities, projected scenario 2 | (75,764) |
Payable Related To Concession [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (874,187) |
Financial liabilities, projected probable | (40,213) |
Financial liabilities, projected scenario 1 | (50,266) |
Financial liabilities, projected scenario 2 | (60,319) |
Payable Related To Concession One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial liabilities, Baseline | (63,355) |
Financial liabilities, projected probable | (3,662) |
Financial liabilities, projected scenario 1 | (4,577) |
Financial liabilities, projected scenario 2 | (5,493) |
Bonds And Securities One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 431,056 |
Financial assets, projected probable | 53,883 |
Financial assets, projected scenario 1 | 40,433 |
Financial assets, projected scenario 2 | 26,942 |
Collaterals And Escrow Accounts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 157 |
Financial assets, projected probable | 19 |
Financial assets, projected scenario 1 | 14 |
Financial assets, projected scenario 2 | 10 |
Sectorial financial assets [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 381,398 |
Financial assets, projected probable | 47,675 |
Financial assets, projected scenario 1 | 35,756 |
Financial assets, projected scenario 2 | 23,837 |
Accounts Receivable Related To The Concession [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 2,209,651 |
Financial assets, projected probable | 127,718 |
Financial assets, projected scenario 1 | 95,788 |
Financial assets, projected scenario 2 | 63,859 |
Accounts Receivable Related To Generation Concession [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 68,642 | [1]
Financial assets, projected probable |  | [1]
Financial assets, projected scenario 1 |  | [1]
Financial assets, projected scenario 2 |  | [1]
Financial Assets 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial assets, Baseline | 3,090,904 |
Financial assets, projected probable | 229,295 |
Financial assets, projected scenario 1 | 171,991 |
Financial assets, projected scenario 2 | R$ 114,648 |
[1] | Risk assessment still requires ruling by the Concession grantor.

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