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

The amount of investments classified as held for sale.

No definition available.

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

The amount of other liabilities classified as held for sale.

No definition available.

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

The amount of liabilities included in disposal groups classified as held for sale. [Refer: Liabilities; Disposal groups classified as held for sale [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2021-01-01
-Paragraph 38
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_38&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph p
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_p&doctype=Standard
-URIDate 2021-03-24

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

The amount of non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Non-current assets or disposal groups classified as held for distribution to owners; Non-current assets or disposal groups classified as held for sale]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_j&doctype=Standard
-URIDate 2021-03-24