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

The amount of non-current and current provision for onerous contracts written off during the period.

No definition available.

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

The amount of non-current provision for onerous contracts. [Refer: Onerous contracts provision]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2025-01-01
-Paragraph 66
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard
-URIDate 2025-03-27

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

The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions]

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

The amount of current provision for onerous contracts. [Refer: Onerous contracts provision]

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

Name:	ifrs-full_SegmentsAxis=ebr_GenerationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ebr_ConcessionsOrPermitNameAxis=ebr_JirauEnergiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ebr_ConcessionsOrPermitNameAxis=ebr_SerenaGeracaoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ebr_ConcessionsOrPermitNameAxis=ebr_CompanhiaEnergeticaSinopMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ebr_ConcessionsOrPermitNameAxis=ebr_PaulistaLajeadoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ebr_ConcessionsOrPermitNameAxis=ebr_BPComercializacaoDeEnergiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: