v3.25.1
RECENT DEVELOPMENTS AND OTHER INFORMATION - Narrative - COSAN CORPORATE (Details 1)
R$ in Thousands
 1 Months Ended 12 Months Ended
Jul. 25, 2024
BRL (R$)
May 08, 2024
BRL (R$)
shares
Apr. 30, 2024
Apr. 19, 2024
shares
Feb. 22, 2024
BRL (R$)
Apr. 30, 2024
shares
Dec. 31, 2024
BRL (R$)
Dec. 31, 2023
BRL (R$)
Dec. 31, 2022
BRL (R$)
Nov. 28, 2024
BRL (R$)
RECENT DEVELOPMENTS AND OTHER INFORMATION                    
Dividends paid                 R$ 1,237,779  
Dividends received by subsidiary             R$ 1,312,706 R$ 1,161,439    
Settlement gain/loss, Profit or loss – Finance results [1]             (822,687)      
Provision for impairment loss             R$ 4,672,396  
Vale SA [Member]                    
RECENT DEVELOPMENTS AND OTHER INFORMATION                    
Number of shares disposed in investment | shares           33,524,185        
Percentage of share capital disposed           (0.78%)        
Cosan Corporate [member] | Vale SA [Member]                    
RECENT DEVELOPMENTS AND OTHER INFORMATION                    
Number of authorised distributions of remuneration to shareholders             3      
Dividends paid         R$ 11,721,894          
Interest on equity (“JCP”) paid R$ 8,940,158                  
Interest on equity (“JCP”) payable                   R$ 2,222,163
Provision for impairment loss             R$ 4,672,396      
Cosan Corporate [member] | Cosan Oito S.A. [member] | Vale SA [Member]                    
RECENT DEVELOPMENTS AND OTHER INFORMATION                    
Dividends received by subsidiary         R$ 577,469          
Proceeds From Interest On Equity Recognised As Distributions To Owners Of Parent R$ 315,622                  
Interest on equity (“JCP”) receivable, net of withholding taxes                   R$ 78,465
Percentage of settlement of debt linked to operation and collar derivatives     100.00%              
Number of shares disposed in investment | shares       33,524,185            
Percentage of share capital disposed       0.78%            
Cosan Corporate [member] | Cosan Oito S.A. [member] | Vale SA [Member] | Call Spread [Member] | Derivate financial instruments [member]                    
RECENT DEVELOPMENTS AND OTHER INFORMATION                    
Number of shares disposed in investment | shares   10,785,830                
Percentage of share capital disposed   0.24%                
Settlement gain/loss, Cash effect   R$ 14,499                
Settlement gain/loss, Profit or loss – Finance results   R$ 82,265                
[1] The gain mentioned in this settlement was recognized in the financial results for the year.