Amount allocated to intangible asset related to concession agreements due to business combination.

No definition available.

Name:	ebr_AmountAllocatedToIntangibleAssetRelatedToConcessionAgreementsFromBusinessCombination
Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) on identifiable assets acquired and (liabilities assumed) due to deferred tax adjustments.

+ References

No definition available.

+ Details

Name:	ebr_EffectOnIdentifiableAssetsAcquiredLiabilitiesAssumedDueToDeferredTaxAdjustments
Namespace Prefix:	ebr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	ebr_GainLossFromBusinessCombinationTransactionAbstract
Namespace Prefix:	ebr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

Name:	ebr_IfrsBusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
Namespace Prefix:	ebr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The increase in profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period.

+ References

No definition available.

+ Details

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

- Definition

The increase in revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period.

+ References

No definition available.

+ Details

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

- Definition

Total value of business which contains consideration transferred and fair value of equity interest held immediately before business combination.

+ References

No definition available.

+ Details

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

- Definition

The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph p
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_p_i&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph f
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CashTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount recognised as of the acquisition date for deferred tax liabilities assumed in a business combination. [Refer: Deferred tax liabilities; Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Definition

The gain (loss) recognised as result of remeasuring to fair value the equity interest in the acquiree held by the acquirer before the business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph p
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_p_ii&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of any gain recognised in a business combination in which the net of the identifiable assets acquired and the liabilities assumed exceeds the aggregate of the consideration transferred, non-controlling interest in the acquiree and fair value of the acquirer's previously held equity interest in the acquiree. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph n
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_n_i&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_GainRecognisedInBargainPurchaseTransaction
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph IE72
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_IE72&doctype=Illustrative%20Examples
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2023-01-01
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 21
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 19B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ebr_Valedosaobartolomeutransmissoradeenergias.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ebr_Furnascentraiseletricass.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ebr_Valedosaobartolomeutransmissoradeenergias.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_JointVenturesAxis=ebr_Valedosaobartolomeutransmissoradeenergias.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

INVESTMENTS - Business Combination - Vale do Sao Bartolomeu S.A. VSB (Details) - BRL (R$) R$ in Thousands			12 Months Ended
	Dec. 21, 2023	Jan. 01, 2023	Dec. 31, 2023
Business combinations
Proportion of ownership interest in joint venture			50.38%
Vale do So Bartolomeu S.A. VSB
Business combinations
Amount allocated to intangible asset related to concession agreements	R$ 63,365
Percentage of ownership interest held prior to acquisition	39.00%
Cash transferred	R$ 304,228
Deferred tax liabilities	5,833
Total adjustment in net assets	57,532
Premium
Fair value of liquid assets acquired by the Company	465,620
Consideration transferred	304,228
(c) Fair value of shareholding maintained before combination of businesses	201,769
(d) = (b) + (c)	505,997
(d) - (a) Premium	40,377
Remeasurement of shareholding previously held	R$ 97,256
Increase in revenue		R$ 50,946
Increase in profit		R$ 42,662
Furnas \| Vale do So Bartolomeu S.A. VSB
Business combinations
Control of acquired, percentage	51.00%
Furnas \| Vale do So Bartolomeu S.A. VSB \| Vale do So Bartolomeu S.A. VSB
Business combinations
Percentage of equity interest /Percentage of participation	90.00%
Furnas \| Vale do So Bartolomeu S.A. VSB \| Vale do So Bartolomeu S.A. VSB
Business combinations
Proportion of ownership interest in joint venture	39.00%