v3.25.1
PROVISION FOR LEGAL PROCEEDINGS AND JUDICIAL DEPOSITS - Additional Information (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of other provisions [line items]      
Provision for legal proceedings R$ 2,044,633 R$ 1,714,403 R$ 1,801,186
Percentage of fines on ICMS tax amount 50.00%    
Concessions payable R$ 3,721,190 3,565,373  
Compensation for collective pain and suffering 100,000    
Principal proceedings, deemed risk of loss as possible 22,937,099 23,674,527  
Civil [member]      
Disclosure of other provisions [line items]      
Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement 399    
Civil [member] | Moove [member]      
Disclosure of other provisions [line items]      
Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement 160,508    
Environmental [member] | Moove [member] | Civil, environmental and regulatory [member]      
Disclosure of other provisions [line items]      
Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement 365,319    
Principal proceedings, deemed risk of loss as possible 287,500    
Rumo S.A. [member] | Civil [member]      
Disclosure of other provisions [line items]      
Provision for legal proceedings 31,262    
Amount of fine to be paid 339,811    
Rumo Malha Sul S.A. [member] | Civil [member]      
Disclosure of other provisions [line items]      
Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement R$ 146,569    
Percentage of contingent liabilities provisioned 50.00%    
Rumo Malha Sul S.A. [member] | Regulatory [member]      
Disclosure of other provisions [line items]      
Amount of fine imposed under appeal R$ 117,596    
Rumo Malha Sul S.A. [member] | Environmental [member]      
Disclosure of other provisions [line items]      
Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement 144,071    
Amount of fine imposed under appeal 195,992    
Rumo Malha Paulista S.A. [member]      
Disclosure of other provisions [line items]      
Collective moral damages 15,000    
Compensation payable to various social entities 20,000    
Rumo Malha Paulista S.A. [member] | Regulatory [member]      
Disclosure of other provisions [line items]      
Principal proceedings, deemed risk of loss as possible 356,284    
Rumo Malha Paulista S.A. [member] | Environmental [member]      
Disclosure of other provisions [line items]      
Amount of fine imposed under appeal 243,955    
Legal proceedings provision, tax [member]      
Disclosure of other provisions [line items]      
Provision for legal proceedings 745,896 813,732 747,647
Legal proceedings provision, tax [member] | ICMS credit [member]      
Disclosure of other provisions [line items]      
Provision for legal proceedings [1] 64,708 174,860  
Legal proceedings provision, labor [member]      
Disclosure of other provisions [line items]      
Provision for legal proceedings R$ 480,315 R$ 387,692 R$ 391,487
[1] ICMS: Tax assessments issued by the tax authorities relating to various types of ICMS credits, including: (a) assessment, as sole debtor, for alleged non-compliance with ICMS withholding obligations in relation to a toll contract arising from an agricultural partnership between our sugarcane mills and Central Paulista Ltda. Açúcar e Álcool; (b) ICMS relating to interstate operations taxed as domestic operations and therefore subject to a higher rate, among others.