XML 133 R74.htm IDEA: XBRL DOCUMENT v3.23.1

DESCRIPTION OF BUSINESS (Details Narrative) - shares	Dec. 22, 2022	Oct. 07, 2022	Jul. 31, 2022
IfrsStatementLineItems [Line Items]
Percentage of sale			100.00%
Shares issued			6,381,908
Percentage of equivalent			66.23%
Companhia Florestaldo Brasil [Member]
IfrsStatementLineItems [Line Items]
Percentage of interest	99.00%
Companhia Energetica Chapeco [Member]
IfrsStatementLineItems [Line Items]
Percentage of interest		100.00%

X

- Definition

The percentage cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]] [Contrast: Cash and cash equivalents, amount contributed to fair value of plan assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 142
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_142_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_CashAndCashEquivalentsPercentageContributedToFairValueOfPlanAssets
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The effective interest rate of financial assets reclassified out of the available-for-sale measurement category. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 12A
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_12A_f&doctype=Standard&book=b
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_EffectiveInterestRateOfFinancialAssetsReclassifiedOutOfAvailableforsaleFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2022-03-24
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=sid_CompanhiaFlorestaldoBrasilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sid_CompanhiaEnergeticaChapecoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: