v3.25.1
SUBSEQUENT EVENTS - Additional Information 3 (Details)
R$ in Thousands
1 Months Ended 12 Months Ended
Mar. 28, 2025
BRL (R$)
Number
Jan. 22, 2025
BRL (R$)
Apr. 30, 2024
Dec. 31, 2024
BRL (R$)
Dec. 31, 2023
BRL (R$)
Dec. 31, 2022
BRL (R$)
Subsequent events            
Dividends payable, non-cash assets distributions       R$ 96,722 R$ 549,054 R$ 892,006
Amount       66,455,426 56,904,654 52,987,216
Principal repayment of loans borrowings and debentures       12,187,560 8,054,763 R$ 15,278,378
Dividends received       R$ 1,312,706 R$ 1,161,439  
Debentures issued | Rumo Malha Paulista [member] | Debentures 8Th Issue [Member]            
Subsequent events            
Notional amount R$ 1,800,000          
Number of series | Number 2          
Debentures issued | Rumo Malha Paulista [member] | Debentures 8Th Issue One [Member]            
Subsequent events            
Notional amount R$ 434,949          
Interest, Index IPCA + 7.47% p.a.          
Maturity 12 years          
Borrowings amortization period 2 years          
Debentures issued | Rumo Malha Paulista [member] | Debentures 8Th Issue Two [Member]            
Subsequent events            
Notional amount R$ 1,365,051          
Interest, Index IPCA + 7.53% p.a.          
Maturity 15 years          
Borrowings amortization period 3 years          
Early Redemption Of Debentures Member | Debentures First Series Third Issue Member            
Subsequent events            
Principal repayment of loans borrowings and debentures   R$ 750,000        
Vale SA [Member]            
Subsequent events            
Proportion of ownership interest in associate     4.15% 4.15% [1]    
[1] In April 2024, Cosan sold 33,524,185 Vale shares, reducing its stake by 0.78%. The figure of 4.15% refers to the percentage holding, excluding treasury shares, for calculating equity equivalence and receiving dividends.