XML 238 R179.htm IDEA: XBRL DOCUMENT
v3.23.1

EXPENSES BY NATURE (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | R$ (34,303,953) | R$ (28,796,921) | R$ (21,633,776)
Cost of sales | (31,054,016) | (25,837,475) | (19,124,901)
Selling expenses | (2,575,818) | (2,372,298) | (2,004,417)
General and administrative expenses | (674,119) | (587,148) | (504,458)
Total | (34,303,953) | (28,796,921) | (21,633,776)
Raw Materials And Inputs [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (14,572,337) | (10,405,028) | (6,928,517)
Outsourcing Material [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (3,265,627) | (4,476,702) |
Labor Cost [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (3,320,234) | (2,746,454) | (3,187,428)
Supplies [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (3,501,649) | (2,297,069) | (2,150,452)
Maintenance Cost Services And Materials [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (916,646) | (1,268,752) | (1,340,255)
Outsourcing Services [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (2,178,589) | (2,119,515) | (2,217,657)
Freights [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (2,826,821) | (1,835,601) | (1,637,585)
Depreciation Amortization And Depletion [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | (2,792,845) | (2,114,681) | (2,421,458)
Others One [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Expense, net | R$ (929,205) | R$ (1,533,119) | R$ (1,750,424)

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

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

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Namespace Prefix: | sid_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | sid_MiscellaneousOtherOperatingExpense1
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

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

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

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

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

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

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- Details
Name: | sid_ExpensesByNatureAxis=sid_OthersOneMember
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Data Type: | na
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