XML 66 R43.htm IDEA: XBRL DOCUMENT v3.19.1

TAX CREDITS (Tables)

12 Months Ended

Dec. 31, 2018

TAX CREDITS

Schedule of current and non-current tax credits

		2018		2017
Current
ICMS (state VAT)		291,027		155,096
Social security financing		95,700		91,229
Financing of social integration program		23,473		20,242
IPI (federal VAT)		44,312		59,982
IVA (value-added tax)		32,967		48,139
Others		39,949		27,741
		527,428		402,429
Non-current
ICMS (state VAT)		27,527		26,135
Social security financing		1,980		360
Financing of social integration program and Others		2,558		4,346
		32,065		30,841
		559,493		433,270

Schedule of estimates of realization of non-current tax credits

		2018		2017
2019		—		18,017
2020		15,025		7,062
2021		10,846		5,762
2022 on		6,194		—
		32,065		30,841

X

- Definition

The disclosure of detailed information about current and non-current tax credits.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfCurrentAndNonCurrentTaxCreditsTableTextBlock
Namespace Prefix:	ggb_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of detailed information about estimation of realization of non-current tax credits.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfEstimatesOfRealizationOfNonCurrentTaxCreditsTableTextBlock
Namespace Prefix:	ggb_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ggb_TaxCreditsAbstract
Namespace Prefix:	ggb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration