SHARE-BASED PAYMENT - Additional Information (Detail)	12 Months Ended
Dec. 31, 2024
Equity-settled plans [member] \| December 31St 2023 Member
Disclosure of terms and conditions of share-based payment arrangement [line items]
Grace period of continued employment under service conditions	5 years
Equity-settled plans [member] \| December 31St 2023 Member \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Grace period of continued employment under service conditions and performance conditions	3 years
Equity-settled plans [member] \| December 31St 2023 Member \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Grace period of continued employment under service conditions and performance conditions	5 years
Equity-settled plans [member] \| Cosan S.A. [member] \| January 30Th 2024 Member
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of shares of share-based payment award for continued employment under service conditions	60.00%
Period of continued employment under service conditions	5 years
Percentage of shares of share-based payment award for continued employment under performance conditions	40.00%
Percentage of achievement to calculate fair value	100.00%
Equity-settled plans [member] \| Cosan S.A. [member] \| January 30Th 2024 Member \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	0.00%
Equity-settled plans [member] \| Cosan S.A. [member] \| January 30Th 2024 Member \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	110.00%
Equity-settled plans [member] \| Cosan S.A. [member] \| July 31St 2024 Member
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of shares of share-based payment award for continued employment under service conditions	50.00%
Period of continued employment under service conditions	3 years
Percentage of shares of share-based payment award for continued employment under performance conditions	50.00%
Equity-settled plans [member] \| Cosan S.A. [member] \| July 31St 2024 Member \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	0.00%
Equity-settled plans [member] \| Cosan S.A. [member] \| July 31St 2024 Member \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	150.00%
Equity-settled plans [member] \| Rumo S.A. [member] \| August 22Nd 2024 Member
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period of share-based payment arrangement	3 years
Equity-settled plans [member] \| Rumo S.A. [member] \| August 22Nd 2024 Member \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	0.00%
Equity-settled plans [member] \| Rumo S.A. [member] \| August 22Nd 2024 Member \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of achievement of specific metrics	200.00%
Equity-settled plans [member] \| Moove [member] \| November 20Th 2024 Member
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period of share-based payment arrangement	6 years
Cash Settled Transactions [Member] \| December 31St 2023 Member \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period of share-based payment arrangement	3 years
Cash Settled Transactions [Member] \| December 31St 2023 Member \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period of share-based payment arrangement	5 years

The grace period of continued employment under service conditions.

No definition available.

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- Definition

The grace period of continued employment under service conditions and performance conditions upon share-based payment arrangements.

+ References

No definition available.

+ Details

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- Definition

The percentage of achievement of specific metrics under the share-based payment programs.

+ References

No definition available.

+ Details

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- Definition

The percentage of achievement to calculate fair value in share-based payment programs.

+ References

No definition available.

+ Details

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- Definition

The percentage of shares of share-based payment arrangements for continued employment under performance conditions.

+ References

No definition available.

+ Details

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- Definition

The percentage of shares of share-based payment arrangements for continued employment under service conditions.

+ References

No definition available.

+ Details

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- Definition

The period of continued employment under service conditions in share-based payment arrangements.

+ References

No definition available.

+ Details

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- Definition

The period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

No definition available.

+ Details

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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