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v3.22.1

Investments in Associates - Summary of Information in Associates of Company and Company's Ownership (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | R$ 383,851 |  |
Interest in earnings of subsidiaries |  | (130,225) | R$ (28,801) | R$ (1,231)
Ending balance |  | R$ 780,067 | R$ 383,851 |
Compass Gás e Energia [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 714,190,095 |  |
Cosan Lubes Investments Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 34,963,764 |  |
Rumo S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 1,854,158,791 |  |
Companhia de Gas de Sao Paulo – COMGAS [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 99.15% |  |
Compass Comercialização S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Compass Energia Ltda. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Terminal de Regaseificação de São Paulo - TRSP [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Rota 4 Participações S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Edge II - Empresa de Geração de Energia [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Moove Lubricants Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Cosan Cinco S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Airport Energy Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Airport Energy Services Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Wessesx Petroleum Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Stanbridge Group Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Cosan Lubricants Espana S.L.U. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
TTA [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [1] | 100.00% | 75.00% |
Cosan Lubrificantes S.R.L [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 98.00% | 98.00% |
LubrigrupoII [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Comma Oil & Chemicals Marketing SRL [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Comma Otomotiv Yag Ve Kimyasallari [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Pazarlama Limited Sirketi [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Comma Oil & Chemicals Marketing B.V. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Commercial Lubricants Moove Corp [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Cosan Lubrificantese Especialidades S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Cosan U.S Inc [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Ilha Terminal Distribuicao de Produtos Quimicos [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Zip Lube S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Cosan Paraguay S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Rumo Malha Oeste S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Rumo Malha Paulista S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Rumo Malha Sul S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Rumo Malha Norte SA [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 99.74% | 28.40% |
Rumo Malha Central S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Elevacoes Portuarias S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Logispot Armazens Gerais S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 51.00% | 14.52% |
Rumo Luxembourg Sarl [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Rumo Intermodal SA [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Boswells S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
A L L Argentina S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Paranagua S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 99.90% | 28.47% |
A L L Armazens Gerais Ltda [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Portofer Ltda [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
A L L Mesopotamica S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 70.56% | 20.09% |
A L L Central S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 73.55% | 20.94% |
Servicios De Inversion Logistica Integrales SA [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 100.00% | 28.47% |
Brado Logisticae Participacoes S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 77.65% | 17.71% |
Brado Logistica S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 77.65% | 17.71% |
Verde Pinho Fundo de Investimento em Participações [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Radar Propriedades Agricolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Radar II Propriedades Agricolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Nova Agrícola Ponte Alta S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Nova Amaralina S.A Propriedades Agrícolas [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Nova Santa Bárbara Agrícola S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Terras da Ponta Alta S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Castanheira Propriedades Agrícolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Manacá Propriedades Agrícolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Paineira Propriedades Agrícolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 50.00% |  |
Associates [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | R$ 383,851 | R$ 377,707 |
Interest in earnings of subsidiaries |  | 130,225 | 28,801 |
Other comprehensive income |  | 7,856 | 240 |
Dividends |  | (15,099) | (17,452) |
Capital increase |  | 398,538 | 1,142 |
Business Combination |  | (125,130) |  |
Other |  | (174) | (6,587) |
Ending balance |  | R$ 780,067 | R$ 383,851 | 377,707
Associates [member] | Cosan Logistica S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] |  | 73.48% |
Associates [member] | Cosan S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] |  | 66.74% |
Associates [member] | Cosan Limited Partners Brasil Consultoria Ltda [Member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 97.50% | 60.00% |
Associates [member] | Sinlog Tecnologia em Logstica SA [Member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [2] | 72.25% | 64.52% |
Associates [member] | Compass Gás e Energia [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [3] | 88.00% | 99.01% |
Associates [member] | Cosan Lubes Investments Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 70.00% | 70.00% |
Associates [member] | Cosan Cayman II Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Associates [member] | Cosan Global Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Associates [member] | Cosan Investimentose Participacoes S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  |  | 100.00% |
Associates [member] | Cosan Luxembourg S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [4] | 100.00% | 100.00% |
Associates [member] | Cosan Overseas Limited [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Associates [member] | Pasadena Empreendimentose Participacoes S A [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% | 100.00% |
Associates [member] | Atlântico Participações Ltda. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Associates [member] | Payly Solucoes de Pagamentos S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 75.00% | 75.00% |
Associates [member] | Rumo S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest | [4] | 30.35% | 30.35% |
Associates [member] | Violeta Fundo de Investimento Multimercado [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Percentage of ownership interest |  | 100.00% |  |
Associates [member] | Radar Propriedades Agricolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | R$ 62,371 | R$ 59,860 |
Interest in earnings of subsidiaries |  | (1,688) | 3,512 |
Other comprehensive income |  | 1,060 | 232 |
Dividends |  | (879) | (1,233) |
Capital increase |  |  |  |
Business Combination |  | (19,565) |  |
Other |  | (41,299) |  |
Ending balance |  |  | 62,371 | 59,860
Associates [member] | Radar II Propriedades Agricolas S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | 33,204 | 31,975 |
Interest in earnings of subsidiaries |  | 12,751 | 1,747 |
Other comprehensive income |  | 1,553 | 45 |
Dividends |  | (1,854) | (563) |
Capital increase |  |  |  |
Business Combination |  | (45,659) |  |
Other |  | 5 |  |
Ending balance |  |  | 33,204 | 31,975
Associates [member] | Tellus Brasil Participacoes S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 120,920,515 |  |
Shares held by Cosan |  | 61,359,623 |  |
Cosan ownership interest |  | 50.74% |  |
Economic benefits % |  | 5.00% |  |
Beginning balance |  | R$ 105,665 | 102,342 |
Interest in earnings of subsidiaries |  | 39,938 | 6,883 |
Other comprehensive income |  |  |  |
Dividends |  | (2,805) | (3,560) |
Capital increase |  |  |  |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | R$ 142,798 | 105,665 | 102,342
Associates [member] | Janus Brasil Participacoes S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 229,689,888 |  |
Shares held by Cosan |  | 116,620,166 |  |
Cosan ownership interest |  | 50.77% |  |
Economic benefits % |  | 5.00% |  |
Beginning balance |  | R$ 130,901 | 126,087 |
Interest in earnings of subsidiaries |  | 49,235 | 7,591 |
Other comprehensive income |  |  |  |
Dividends |  | (1,738) | (3,909) |
Capital increase |  | 4,959 | 1,132 |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | 183,357 | 130,901 | 126,087
Associates [member] | Other investments [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | 996 |  |
Interest in earnings of subsidiaries |  | 16,331 |  |
Other comprehensive income |  | 5,243 |  |
Dividends |  | (2,854) |  |
Capital increase |  |  |  |
Business Combination |  | (59,906) |  |
Other |  | 41,878 |  |
Ending balance |  | R$ 1,688 | 996 |
Associates [member] | Rhall Terminais Ltda |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 28,580 |  |
Shares held by Cosan |  | 8,574 |  |
Cosan ownership interest |  | 30.00% |  |
Economic benefits % |  | 30.00% |  |
Beginning balance |  | R$ 3,765 |  |
Interest in earnings of subsidiaries |  | 1,145 |  |
Other comprehensive income |  |  |  |
Dividends |  | (3) |  |
Capital increase |  |  |  |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | R$ 4,907 | 3,765 |
Associates [member] | Termag - Terminal Marítimo de Guarujá S.A. |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 500,000 |  |
Shares held by Cosan |  | 99,246 |  |
Cosan ownership interest |  | 19.85% |  |
Economic benefits % |  | 19.85% |  |
Beginning balance |  | R$ 1,673 |  |
Interest in earnings of subsidiaries |  | 3,810 |  |
Other comprehensive income |  |  |  |
Dividends |  |  |  |
Capital increase |  |  |  |
Business Combination |  |  |  |
Other |  | (758) |  |
Ending balance |  | R$ 4,725 | 1,673 |
Associates [member] | TGG - Terminal de Granéis do Guarujá S.A. |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 79,747,000 |  |
Shares held by Cosan |  | 7,914,609 |  |
Cosan ownership interest |  | 9.92% |  |
Economic benefits % |  | 9.92% |  |
Beginning balance |  | R$ 18,679 |  |
Interest in earnings of subsidiaries |  | 3,850 |  |
Other comprehensive income |  |  |  |
Dividends |  | (4,966) |  |
Capital increase |  |  |  |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | R$ 17,563 | 18,679 |
Associates [member] | Terminal XXXIX S.A. |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 200,000 |  |
Shares held by Cosan |  | 99,246 |  |
Cosan ownership interest |  | 49.62% |  |
Economic benefits % |  | 49.62% |  |
Beginning balance |  | R$ 26,597 |  |
Interest in earnings of subsidiaries |  | 4,052 |  |
Other comprehensive income |  |  |  |
Dividends |  |  |  |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | R$ 30,649 | 26,597 |
Associates [member] | TUP Porto São Luis S.A. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Shares issued by the subsidiary |  | 42,635,878 |  |
Shares held by Cosan |  | 20,891,583 |  |
Cosan ownership interest |  | 49.00% |  |
Economic benefits % |  | 49.00% |  |
Beginning balance |  |  |  |
Interest in earnings of subsidiaries |  | 801 |  |
Other comprehensive income |  |  |  |
Dividends |  |  |  |
Capital increase |  | 393,579 |  |
Business Combination |  |  |  |
Other |  |  |  |
Ending balance |  | 394,380 |  |
Associates [member] | Other Investment [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Beginning balance |  | R$ 51,710 | 57,443 |
Interest in earnings of subsidiaries |  |  | 9,068 |
Other comprehensive income |  |  | 37 |
Dividends |  |  | (8,187) |
Capital increase |  |  | 10 |
Other |  |  | (6,587) |
Ending balance |  |  | R$ 51,710 | R$ 57,443
[1] | In August 2021, Moove Lubricants Limited acquired 25% of the remaining interest. A cash consideration of R$32,030 was paid to the non-controlling shareholder.
[2] | Changes in equity interest resulting from the Corporate Reorganization.
[3] | As describe in Note 2, the subsidiary Compass Gás e Energia, , entered into Investment Agreements that resulted in the dilution of the Company's interest. As of December 31, 2021, contributions were made to Compass for a total amount of R$2,250,015.The agreement signed with Atmos has a clause that grants Atmos the option to sell its shares in Compass and the Company is committed to pay any difference between Atmos selling price and the base price determined in the agreement. On December 31, 2021, the option hadno value since Compass' valuation exceeds the base price determined in the contract.
[4] | Management has concluded that there are no material uncertainties that cast doubt on the continuity of the subsidiary. Despite presenting on December 31, 2021, the amount with an unsecured liability of R$ 356,442, as shown below, no events or conditions were identified that, individually or collectively, could raise significant doubts as to the ability to maintain their continuity operational. The subsidiaries have the financial support of the Company

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information about associate and joint ventures associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Represents the increase (decrease) in investment in associates due to business combination. + References No definition available. + Details
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- Definition Number of shares held by parent. + References No definition available. + Details
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- Definition Other Transactions In Associates. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Proportion of economic benefits. + References No definition available. + Details
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Balance Type: | na
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- Definition Share of comprehensive income of associates accounted for using equity method. + References No definition available. + Details
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Namespace Prefix: | csan_
Data Type: | xbrli:monetaryItemType
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