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BUSINESS COMBINATION (Details 11) - Companhia Energetica Chapeco [Member]	12 Months Ended
	Dec. 31, 2022 shares
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Purchase price considered for the business combination	358,634
Assets Transferred 1 [Member]
IfrsStatementLineItems [Line Items]
Determination of comment	Payment made upon acquisition
Purchase price considered for the business combination	358,634	[1]
[1] On October 7, 2022, the transaction was completed with the payment of R$358,634 by CSN Mineração and CSN Energia.

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