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TAX, CIVIL AND LABOR CLAIMS AND CONTINGENT ASSETS - Civil and Labor Contingencies (Details) R$ in Thousands | Oct. 08, 2019 item | Aug. 01, 2013 BRL (R$) | Sep. 23, 2005 BRL (R$) item | Dec. 31, 2023 BRL (R$) | Dec. 31, 2022 BRL (R$)
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Civil contingencies | Antitrust Legislation |  |  |  |  |
TAX, CIVIL AND LABOR CLAIMS AND CONTINGENT ASSETS |  |  |  |  |
Number of civil construction unions | item |  |  | 2 |  |
Fine for existence of cartel on gross revenues (in percentage) |  |  | 7.00% |  |
Fine for existence of cartel |  |  | R$ 245,070 |  |
Fine for existence of cartel updated by judicial accounting |  | R$ 417,820 |  |  |
Number of lawsuits that challenged the investigation | item | 2 |  |  |  |
Civil contingencies | Other Demands Of a Civil Nature |  |  |  |  |
TAX, CIVIL AND LABOR CLAIMS AND CONTINGENT ASSETS |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | R$ 595,649 |
Labor Contingencies |  |  |  |  |
TAX, CIVIL AND LABOR CLAIMS AND CONTINGENT ASSETS |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | R$ 1,028,176 | R$ 820,032

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- Definition The fine levied on the company and other long steel producers as a percentage of gross revenues in the year before administrative proceedings was commenced. + References No definition available. + Details
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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard -URIDate 2023-03-23 + Details
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