v3.25.1
RECENT DEVELOPMENTS AND OTHER INFORMATION - Schedule of settlement of structured derivatives (Details) - BRL (R$)
R$ in Thousands
1 Months Ended 12 Months Ended
May 08, 2024
Apr. 30, 2024
Feb. 29, 2024
Jan. 31, 2024
Dec. 31, 2024
RECENT DEVELOPMENTS AND OTHER INFORMATION          
Settlement gain/loss, Profit or loss – Finance results [1]         R$ 822,687
Vale SA [Member]          
RECENT DEVELOPMENTS AND OTHER INFORMATION          
Cosan interest, % Settled in advance   (0.78%)      
Cosan Oito S.A. [member] | Vale SA [Member]          
RECENT DEVELOPMENTS AND OTHER INFORMATION          
Settlement gain/loss, Profit or loss – Finance results [1]   R$ 331,116 [2] R$ 303,431 R$ 188,140  
Cosan Oito S.A. [member] | Vale SA [Member] | Call Spread [Member] | Derivate financial instruments [member]          
RECENT DEVELOPMENTS AND OTHER INFORMATION          
Cosan interest, % Settled in advance 0.24%        
Cosan interest, % Remaining 1.34%        
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.
[2] On April 19, 2024, the Company concluded the sale of 33,524,185 shares, equivalent to 0.78% of Vale's voting share capital.