OPERATIONAL CONTEXT - Eletronuclear (Details) - BRL (R$) R$ in Thousands	Sep. 19, 2021	Sep. 20, 2021
Eletronuclear
OPERATIONAL CONTEXT
Completion of advanced for capital increase	R$ 3,665,521
Capitalization of dividends receivable	2,512,286
Contribution of cash and cash equivalents	54,523
Equity security investments	R$ 6,232,330
Eletronuclear
OPERATIONAL CONTEXT
Number of shares outstanding	48,202,866	442,824,423
Percentage	100.00%	100.00%
Eletronuclear \| Common shares
OPERATIONAL CONTEXT
Number of shares outstanding	37,658,167	221,412,211
Percentage	100.00%	100.00%
Eletronuclear \| Preferred shares
OPERATIONAL CONTEXT
Number of shares outstanding	10,544,699	221,412,212
Percentage	100.00%	100.00%
Eletronuclear \| Eletrobras
OPERATIONAL CONTEXT
Number of shares outstanding	48,179,760	300,885,093
Percentage	99.95%	67.95%
Eletronuclear \| Eletrobras \| Common shares
OPERATIONAL CONTEXT
Number of shares outstanding	37,651,030	79,488,850
Percentage	99.98%	35.90%
Eletronuclear \| Eletrobras \| Preferred shares
OPERATIONAL CONTEXT
Number of shares outstanding	10,528,730	221,396,243
Percentage	99.85%	99.99%
Eletronuclear \| ENBpar
OPERATIONAL CONTEXT
Number of shares outstanding		141,916,224
Percentage		32.04%
Eletronuclear \| ENBpar \| Common shares
OPERATIONAL CONTEXT
Number of shares outstanding		141,916,224
Percentage		64.10%
Eletronuclear \| ENBpar \| Preferred shares
OPERATIONAL CONTEXT
Percentage		0.00%
Eletronuclear \| Others
OPERATIONAL CONTEXT
Number of shares outstanding	23,106	23,106
Percentage	0.05%	0.01%
Eletronuclear \| Others \| Common shares
OPERATIONAL CONTEXT
Number of shares outstanding	7,137	7,137
Percentage	0.02%	0.00%
Eletronuclear \| Others \| Preferred shares
OPERATIONAL CONTEXT
Number of shares outstanding	15,969	15,969
Percentage	0.15%	0.01%
ENBpar \| Eletronuclear
OPERATIONAL CONTEXT
Equity security investments	R$ 3,500,000

The amount of advance payments for capital increase as part of equity security investments during the reported period.

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- Definition

The amount of capitalization of dividend as part of equity security investments during the reported period.

+ References

No definition available.

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The amount of contributed cash and cash equivalents as part of equity security investments during the reported period.

+ References

No definition available.

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The amount of equity security investments during the reported period.

+ References

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The proportion of ownership interest.

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- 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.

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- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2023-03-23

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