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Operations and Corporate Reorganization - Additional Information (Detail) | Jul. 03, 2020 shares
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Cosan Logística S.A. shares [member] |
Disclosure of operations and corporate reorganization [line items] |
Shares exchange ratio | 0.25360679585
Cosan S.A. share or Cosan S.A. American Depositary Share [Member] |
Disclosure of operations and corporate reorganization [line items] |
Shares exchange ratio | 0.772788
Cosan S.A. share [Member] |
Disclosure of operations and corporate reorganization [line items] |
Shares exchange ratio | 3.943112
Ordinary shares Class A and Class B [Member] | Cosan S.A. American Depositary Share [Member] |
Disclosure of operations and corporate reorganization [line items] |
Number of depositary receipt received from conversion | 1.29401595263

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