XML 148 R115.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

PROPERTY, PLANT AND EQUIPMENT (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Right of use, beginning balance | R$ 644,880 | R$ 581,824 | R$ 581,824
Cost | 1,126,977 | 1,057,567 | 754,608
Accumulated depreciation | (452,191) | (412,687) | (172,784)
Effect of foreign exchange differences | (1,667) | (1,024) |
Addition | 73,215 | 26,218 |
Remesurement | 124,310 | 99,728 |
Consolidation of acquired companies |  | 43,272 |
Depreciation | (165,952) | (104,382) |
Write-offs |  | (754) |
Others |  | (2) |
Right of use, ending balance | 674,786 | 644,880 | 581,824
Land [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Right of use, beginning balance | 465,048 | 439,285 | 439,285
Cost | 629,004 | 548,756 | 500,826
Accumulated depreciation | (116,081) | (83,708) | (61,541)
Addition | 65,081 | 2,520 |
Remesurement | 16,704 | 45,410 |
Depreciation | (31,751) | (22,153) |
Transfers to other asset categories | (2,159) | (14) |
Right of use, ending balance | 512,923 | 465,048 | 439,285
Buildings [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Right of use, beginning balance | 62,431 | 68,145 | 68,145
Cost | 143,926 | 107,782 | 94,196
Accumulated depreciation | (57,869) | (45,351) | (26,051)
Effect of foreign exchange differences | (503) | (360) |
Addition | 4,400 | 2,042 |
Remesurement | 37,506 | 8,325 |
Consolidation of acquired companies |  | 1,092 |
Depreciation | (18,116) | (16,726) |
Transfers to other asset categories | 339 | (87) |
Right of use, ending balance | 86,057 | 62,431 | 68,145
Machinery [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Right of use, beginning balance | 83,161 | 53,759 | 53,759
Cost | 254,640 | 277,865 | 99,103
Accumulated depreciation | (200,491) | (194,704) | (45,344)
Effect of foreign exchange differences | (340) | (62) |
Addition |  | 4,191 |
Remesurement | 64,755 | 38,430 |
Consolidation of acquired companies |  | 35,511 |
Depreciation | (97,181) | (48,142) |
Write-offs |  | (754) |
Transfers to other asset categories | 3,754 | 228 |
Right of use, ending balance | 54,149 | 83,161 | 53,759
Other property, plant and equipment [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Right of use, beginning balance | 34,240 | 20,635 | 20,635
Cost | 99,407 | 123,164 | 60,483
Accumulated depreciation | (77,750) | (88,924) | (39,848)
Effect of foreign exchange differences | (824) | (602) |
Addition | 3,734 | 17,465 |
Remesurement | 5,345 | 7,563 |
Consolidation of acquired companies |  | 6,669 |
Depreciation | (18,904) | (17,361) |
Transfers to other asset categories | (1,934) | (127) |
Others |  | (2) |
Right of use, ending balance | R$ 21,657 | R$ 34,240 | R$ 20,635

X
- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 53 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_h&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AdditionsToRightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DepreciationRightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 44B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_44B_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_j&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_RightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |