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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$)
Dec. 31, 2022
BRL (R$)
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