RECENT DEVELOPMENTS AND OTHER INFORMATION - Schedule of settlement of debt and collar financing derivatives (Details) - BRL (R$) R$ in Thousands |
1 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Apr. 30, 2024 |
[2] | Feb. 29, 2024 |
Jan. 31, 2024 |
Dec. 31, 2024 |
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| RECENT DEVELOPMENTS AND OTHER INFORMATION | |||||||||
| Debt settlement Cash Effect, Interest | R$ (179,342) | ||||||||
| Gain/Loss Settlement Collar Financing | [1] | R$ 822,687 | |||||||
| Cosan Oito S.A. [member] | Vale SA [Member] | |||||||||
| RECENT DEVELOPMENTS AND OTHER INFORMATION | |||||||||
| Direct | 3.91% | 3.91% | 2.62% | ||||||
| Collar-related | 0.74% | 2.03% | |||||||
| Total ownership interest | 3.91% | 4.65% | 4.65% | ||||||
| Debt settlement Cash Effect, Principal | R$ (1,918,773) | R$ (2,067,956) | R$ (1,698,606) | ||||||
| Debt settlement Cash Effect, Interest | (65,880) | (63,689) | (49,773) | ||||||
| Gain/Loss Settlement Collar Financing | [1] | R$ 331,116 | R$ 303,431 | R$ 188,140 | |||||
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