XML 210 R177.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

EXPENSES BY NATURE (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | R$ (37,965,172) | R$ (34,303,953) | R$ (28,796,921)
Cost of sales | (33,475,189) | (31,054,016) | (25,837,475)
Selling expenses | (3,729,089) | (2,575,818) | (2,372,298)
General and administrative expenses | (760,894) | (674,119) | (587,148)
Total | (37,965,172) | (34,303,953) | (28,796,921)
Raw Materials And Inputs [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (12,732,273) | (14,572,337) | (10,405,028)
Outsourcing Material [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (5,104,273) | (3,265,627) | (4,476,702)
Labor Cost [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (4,268,241) | (3,320,234) | (2,746,454)
Supplies [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (3,735,873) | (3,501,649) | (2,297,069)
Maintenance Cost Services And Materials [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (578,514) | (916,646) | (1,268,752)
Outsourcing Services [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (2,905,888) | (2,178,589) | (2,119,515)
Freights [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (4,185,360) | (2,826,821) | (1,835,601)
Depreciation Amortization And Depletion [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (3,291,149) | (2,792,845) | (2,114,681)
Others One [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | R$ (1,163,601) | R$ (929,205) | R$ (1,533,119)

X
- References No definition available. + Details
Name: | sid_AdministrativeExpense1
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | sid_CostOfSales1
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_MiscellaneousOtherOperatingExpense1
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- References No definition available. + Details
Name: | sid_SalesAndMarketingExpense1
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_RawMaterialsAndInputsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_OutsourcingMaterialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_LaborCostMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_SuppliesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_MaintenanceCostServicesAndMaterialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_OutsourcingServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_FreightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_DepreciationAmortizationAndDepletionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sid_ExpensesByNatureAxis=sid_OthersOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |