XML 193 R160.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

TAXES IN INSTALLMENTS (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Unclassified consolidates taxes in installments | R$ 229,824 | R$ 464,827
Current | 75,735 | 280,721
Non-current | 154,089 | 184,106
Federal REFIS Law 11.941/09 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Unclassified consolidates taxes in installments | 9,942 | 17,585
Federal REFIS Law 12.865/13 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Unclassified consolidates taxes in installments | 34,775 | 39,522
Other Taxes In Installments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Unclassified consolidates taxes in installments | R$ 185,107 | R$ 407,720

X
- References No definition available. + Details
Name: | sid_FederalRefisAndOtherTaxInstallmentPaymentPlansCurrent
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | sid_FederalRefisAndOtherTaxInstallmentPaymentPlansNoncurrent
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- References No definition available. + Details
Name: | sid_UnclassifiedConsolidatesTaxesInInstallments
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=sid_FederalRefisLawMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=sid_FederalRefisLaw1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=sid_OtherTaxesInInstallmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |