XML 126 R104.htm IDEA: XBRL DOCUMENT v3.23.1

SHORT-TERM DEBT AND LONG-TERM DEBT - By Currency (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2022	Dec. 31, 2021
LOANS AND FINANCING
Total	R$ 11,179,617	R$ 11,109,786
Brazilian Real (BRL)
LOANS AND FINANCING
Total	1,273,180	461,187
U.S. Dollar (USD)
LOANS AND FINANCING
Total	9,581,266	10,535,532
Other currencies
LOANS AND FINANCING
Total	R$ 325,171	R$ 113,067

X

- Definition

The amount of outstanding funds that the entity is obligated to repay, excluding notes and debentures.

+ References

No definition available.

+ Details

Name:	ggb_BorrowingsExcludingNotesAndDebentures
Namespace Prefix:	ggb_
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

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

X

- Details

Name:	srt_CurrencyAxis=currency_BRL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=ggb_OtherCurrencyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: