v3.25.1
RECENT DEVELOPMENTS AND OTHER INFORMATION - Schedule of debt incurred (Details)
R$ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
BRL (R$)
Feb. 16, 2024
BRL (R$)
Feb. 16, 2024
USD ($)
Cosan Corporate [member] | Senior Notes Due 2031 [Member] | Fixed interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jan. 26, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate 7.25%    
Funding costs R$ 20,408    
Value R$ 2,982,600    
Maturity 06/27/2031    
Cosan Corporate [member] | Loan 4131 | Fixed interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance [1] Feb. 16, 2024    
Incidence of interest [1] Six-monthly    
Borrowings, interest rate 6.60% [1] 7.25% 7.25%
Funding costs [1]    
Value R$ 2,982,600 [1] R$ 2,982,600 $ 600,000
Maturity [1] 06/27/2031    
Cosan Corporate [member] | Debentures, 1 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 28, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis CDI    
Borrowings, adjustment to interest rate basis 100.00%    
Funding costs R$ 2,563    
Value R$ 725,000    
Maturity 06/28/2029    
Cosan Corporate [member] | Debentures, 2 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 28, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis CDI    
Borrowings, adjustment to interest rate basis 150.00%    
Funding costs R$ 2,706    
Value R$ 725,000    
Maturity 06/28/2034    
Cosan Corporate [member] | Debentures, 3 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Oct. 18, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis DI + spread    
Borrowings, adjustment to interest rate basis 50.00%    
Funding costs R$ 5,554    
Value R$ 1,500,000    
Maturity 01/08/2028    
Cosan Corporate [member] | Debentures, 4 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Oct. 18, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis DI + spread    
Borrowings, adjustment to interest rate basis 72.00%    
Funding costs R$ 1,891    
Value R$ 500,000    
Maturity 01/08/2030    
Cosan Corporate [member] | Debentures, 5 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Oct. 18, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis DI + spread    
Borrowings, adjustment to interest rate basis 130.00%    
Funding costs R$ 1,922    
Value R$ 500,000    
Maturity 01/08/2035    
Compass [member] | Loan 4131 | Fixed interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Mar. 21, 2024    
Incidence of interest Yearly    
Borrowings, interest rate 488.00%    
Funding costs    
Value R$ 423,393    
Maturity 03/31/2025    
Compass [member] | Debentures, 1 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Feb. 29, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis DI + spread    
Borrowings, adjustment to interest rate basis 80.00%    
Funding costs R$ 2,196    
Value R$ 1,500,000    
Maturity 03/15/2029    
Compass [member] | Debentures, 2 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Mar. 15, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis CDI    
Borrowings, adjustment to interest rate basis 108.00%    
Funding costs R$ 5,173    
Value R$ 1,500,000    
Maturity 03/15/2029    
Compass [member] | Debentures, 3 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jul. 16, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 638.00%    
Funding costs R$ 25,995    
Value R$ 750,000    
Maturity 07/15/2034    
Compass [member] | Debentures, 4 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jul. 16, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 645.00%    
Funding costs R$ 35,733    
Value R$ 750,000    
Maturity 07/15/2039    
Compass [member] | Debentures, 5 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Oct. 10, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis CDI    
Borrowings, adjustment to interest rate basis 120.00%    
Funding costs R$ 468    
Value R$ 235,000    
Maturity 10/10/2025    
Moove [member] | Export Prepayment | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 14, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis SOFR-06    
Borrowings, adjustment to interest rate basis 130.00%    
Funding costs    
Value R$ 536,240    
Maturity 06/14/2027    
Moove [member] | Credit Note [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 14, 2024    
Incidence of interest Yearly    
Borrowings, interest rate basis SOFR    
Borrowings, adjustment to interest rate basis 130.00%    
Funding costs    
Value R$ 269,456    
Maturity 06/14/2027    
Moove [member] | Working capital | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 14, 2024    
Incidence of interest Quarterly    
Borrowings, interest rate basis SONIA    
Borrowings, adjustment to interest rate basis 130.00%    
Funding costs    
Value R$ 242,396    
Maturity 06/01/2026    
Rumo [member] | Debentures, 1 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Mar. 25, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 579.00%    
Funding costs R$ 20,739    
Value R$ 532,243    
Maturity 03/15/2034    
Rumo [member] | Debentures, 2 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Mar. 25, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 592.00%    
Funding costs R$ 36,552    
Value R$ 667,757    
Maturity 03/15/2039    
Rumo [member] | Debentures, 3 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 26, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 642.00%    
Funding costs R$ 20,869    
Value R$ 547,950    
Maturity 06/26/2034    
Rumo [member] | Debentures, 4 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Jun. 26, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 653.00%    
Funding costs R$ 8,218    
Value R$ 156,050    
Maturity 06/26/2039    
Rumo [member] | Debentures, 5 [member] | Floating interest rate [member]      
RECENT DEVELOPMENTS AND OTHER INFORMATION      
Borrowings, Date of issuance Aug. 29, 2024    
Incidence of interest Six-monthly    
Borrowings, interest rate basis IPCA    
Borrowings, adjustment to interest rate basis 605.00%    
Funding costs R$ 31,837    
Value R$ 800,000    
Maturity 08/29/2036    
[1] Debt offset with assets in the balance sheet, see note 5.4 (e)