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v3.22.1

Schedule of gross trade receivables from third parties (Details) - Third Parties [Member] - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Gross trade receivable | R$ 2,690,369 | R$ 2,974,524
Current [member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross trade receivable | 2,255,200 | 2,537,567
Later than one month and not later than two months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross trade receivable | 164,019 | 222,972
Later than two months and not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross trade receivable | 67,822 | 17,915
Later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross trade receivable | R$ 203,328 | R$ 196,070

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Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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- Details
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