XML 182 R123.htm IDEA: XBRL DOCUMENT v3.23.1

BORROWINGS AND FINANCING (Details 2) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
IfrsStatementLineItems [Line Items]
New debts	R$ 20,248,223	R$ 12,915,332
Repayment	(10,782,858)	R$ (17,639,178)	R$ (6,448,658)
Interest payment	(2,315,586)
Prepayment [Member]
IfrsStatementLineItems [Line Items]
New debts	R$ 2,131,171
Maturities	2023 to 2032
Repayment	R$ (467,381)
Interest payment	(174,797)
Bonds Perpetual Bonds A C C And Facility [Member]
IfrsStatementLineItems [Line Items]
New debts	R$ 9,253,891
Maturities	2023 to 2032
Repayment	R$ (3,471,458)
Interest payment	(951,167)
Debentures [Member]
IfrsStatementLineItems [Line Items]
New debts	R$ 7,300,000
Maturities	2024 to 2037
B N D E S F I N A M E Debentures N C E And C C B [Member]
IfrsStatementLineItems [Line Items]
New debts	R$ 1,563,161
Maturities	2023 to 2025
Repayment	R$ (6,844,019)
Interest payment	R$ (1,189,622)

X

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_BorrowingsMaturity
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	sid_AdditionalFundingTransactions
Namespace Prefix:	sid_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_InterestExpenseOnBorrowing
Namespace Prefix:	sid_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=sid_PrepaymentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=sid_BondsPerpetualBondsACCAndFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=sid_DebenturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=sid_BNDESFINAMEDebenturesNCEAndCCBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: