XML 106 R179.htm IDEA: XBRL DOCUMENT v3.20.1

26 EMPLOYEE BENEFITS (Details 9) - BRL (R$) R$ in Thousands	Dec. 31, 2019	Dec. 31, 2018
EmployeeBenefitsLineItems [Line Items]
Allocation of plan assets	R$ 3,894,488	R$ 3,403,906
Allocation of plan assets percent	100.00%	100.00%
Variable Income [Member]
EmployeeBenefitsLineItems [Line Items]
Allocation of plan assets	R$ 25,236	R$ 141,705
Allocation of plan assets percent	0.65%	4.16%
Fixed income
EmployeeBenefitsLineItems [Line Items]
Allocation of plan assets	R$ 3,607,398	R$ 3,050,099
Allocation of plan assets percent	92.63%	89.61%
Real estate [Member]
EmployeeBenefitsLineItems [Line Items]
Allocation of plan assets	R$ 183,098	R$ 52,091
Allocation of plan assets percent	4.70%	1.53%
Others [Member]
EmployeeBenefitsLineItems [Line Items]
Allocation of plan assets	R$ 78,756	R$ 160,011
Allocation of plan assets percent	2.02%	4.70%

X

- Definition

The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2019-01-01
-Paragraph 57
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_57_a&doctype=Standard
-URIDate 2019-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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X

- Definition

Information about plan assets percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	sid_
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X

- Details

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X

- Details

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- Details

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- Details

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