OPERATING CONTEXT (Details)	Mar. 31, 2022 item
OPERATING CONTEXT
Number of SPEs in which the company holds direct and indirect interest	80

The number of Special Purpose Entities (SPEs) in which the company holds direct and indirect interest.

No definition available.

Name:	ebr_NumberOfSpecialPurposeEntitiesInWhichCompanyHoldsDirectAndIndirectInterest
Namespace Prefix:	ebr_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant