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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Earnings/(loss) recognized in the result (Details) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
FINANCIAL INSTRUMENTS AND RISK MANAGEMENT
Balance on January 1	R$ (6,757,343)
Designation of protected debt	(18,630,425)	R$ (6,802,523)
Fair value assessment - result	(2,717,730)	(105,593)
Amortizations	4,847,986	150,773
Balance as of December 31st	R$ (23,257,512)	R$ (6,757,343)

X

- Definition

The amount of accumulated gains (losses) from long-term debt protection derivatives.

+ References

No definition available.

+ Details

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Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

he amount of amortization of gains (losses) from designation of protected debt.

+ References

No definition available.

+ Details

Name:	ebr_DerivativesDebtProtection.Amortization
Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of gains (losses) from designation of protected debt.

+ References

No definition available.

+ Details

Name:	ebr_DerivativesDebtProtectionDesignation
Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of gains (losses) from fair value assessment of derivatives of protected debt.

+ References

No definition available.

+ Details

Name:	ebr_DerivativesDebtProtectionFairValueAssessment
Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration