XML 171 R146.htm IDEA: XBRL DOCUMENT v3.24.1

EMPLOYEE BENEFITS - Other retirement and termination benefits (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Retirement and termination benefits
EMPLOYEE BENEFITS
Total obligation	R$ 11,798	R$ 11,222

X

- Definition

The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 57
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_57_a&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_NetDefinedBenefitLiabilityAssetAxis=ggb_RetirementAndTerminationBenefitLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: