SHARE-BASED PAYMENT - Summary of Weighted Average Fair Value of Programs Granted and Principal Assumptions used in Applying Black-Scholes Model (Detail) - R$ / shares |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Cosan S.A. Industria e Comercio [member] | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Market price on the grant date | R$ 13.54 | R$ 16.82 | ||||
| Compass Gas e Energia [Member] | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Market price on the grant date | 45.29 | 42.21 | ||||
| Rumo S.A. [member] | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Market price on the grant date | [1] | R$ 23.37 | R$ 21.87 | |||
| Interest rate | [1] | 10.41% | 10.41% | |||
| Volatility | [1] | 25.84% | 25.84% | |||
| Moove [member] | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Market price on the grant date | [2] | R$ 66.97 | R$ 105.98 | |||
| Interest rate | [2] | 4.05% | 4.05% | |||
| Volatility | [2] | 42.85% | 42.85% | |||
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