RECEIVABLES FROM CUSTOMERS (Details 2) - Eletrobras [Member] - BRL (R$) R$ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
IfrsStatementLineItems [Line Items]
Beginning balance	R$ 833	R$ 712	R$ 810
Additions	109	144	146
Disposals	(122)	(23)	(244)
Ending Balance	R$ 820	R$ 833	R$ 712

The amount of current advances received representing current contract liabilities for performance obligations satisfied at a point in time. [Refer: Advances received, representing contract liabilities for performance obligations satisfied at point in time]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2022-03-24
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-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24

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