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TRADE PAYABLES (Details Narrative) - BRL (R$) R$ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Trade Payables |  |
Trade payables | R$ 5,709,069 | R$ 4,439,967

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- Definition The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph k -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_k&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_TradeAndOtherCurrentPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | sid_TradePayablesAbstract
Namespace Prefix: | sid_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration