XML 103 R81.htm IDEA: XBRL DOCUMENT
v3.22.1

Financial Assets and Liabilities - Summary of Loans, Borrowings and Debentures (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about borrowings [line items] |  |  |  |
Total |  | R$ 45,659,037 | R$ 42,249,460 | R$ 29,052,215
Current |  | 4,241,368 | 4,929,069 |
Non-current |  | R$ 41,417,669 | 37,320,391 |
Weighted average |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Annual interest |  | 5.32% |  |
CDI | Weighted average |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Annual interest |  | 9.15% |  |
Secured |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Loans, borrowings and debentures |  | R$ 7,911,356 | 5,147,093 |
Secured | BNDES | URTJLP | December-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | URTJLP |  |
Annual interest |  | 7.49% |  |
Maturity |  | Dec-2029 |  |
Loans, borrowings and debentures |  | R$ 2,598,623 | 3,321,839 |
Objective |  | Investment |  |
Secured | BNDES | URTJLP | March-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | URTJLP |  |
Annual interest |  | 10.34% |  |
Maturity |  | Mar-2022 |  |
Loans, borrowings and debentures |  |  | 396 |
Objective |  | Investment |  |
Secured | BNDES | Fixed | January-2025 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | Fixed |  |
Annual interest |  | 5.69% |  |
Maturity |  | Jan-2025 |  |
Loans, borrowings and debentures |  | R$ 461,756 | 647,435 |
Objective |  | Investment |  |
Secured | BNDES | Fixed | January-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | Fixed |  |
Annual interest |  | 3.50% |  |
Maturity |  | Jan-2024 |  |
Loans, borrowings and debentures |  | R$ 727 | 1,077 |
Objective |  | Investment |  |
Secured | BNDES | IPCA [member] | November-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA |  |
Annual interest |  | 7.46% |  |
Maturity |  | Nov-2021 |  |
Loans, borrowings and debentures |  |  | 796 |
Objective |  | Investment |  |
Secured | BNDES | IPCA [member] | January-2048 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA |  |
Annual interest |  | 11.08% |  |
Maturity |  | Jan-2048 |  |
Loans, borrowings and debentures |  | R$ 646,624 |  |
Objective |  | Investment |  |
Secured | BNDES | IPCA + 3.25% | April-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">3.25</span>% |  |
Annual interest |  | 13.60% |  |
Maturity |  | Apr-2029 |  |
Loans, borrowings and debentures |  | R$ 945,663 | 807,438 |
Objective |  | Investment |  |
Secured | BNDES | IPCA + 4.10% | April-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.10</span>% |  |
Annual interest |  | 14.53% |  |
Maturity |  | Apr-2029 |  |
Loans, borrowings and debentures |  | R$ 154,843 | 175,374 |
Objective |  | Investment |  |
Secured | Export credit agreement | Euribor + 0.58% | September-2026 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | Euribor + <span style="border-left: none; border-right: none;">0.58</span>% |  |
Annual interest |  | 0.58% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2026</span> |  |
Loans, borrowings and debentures |  | R$ 95,460 | 104,108 |
Objective |  | Investment |  |
Secured | Export credit agreement | CDI + 1.03% | February-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.03</span>% |  |
Annual interest |  | 10.79% |  |
Maturity |  | Feb-2023 |  |
Loans, borrowings and debentures |  | R$ 86,707 |  |
Objective |  | Investment |  |
Secured | Export credit agreement | CDI + 2.25% | May-2026 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">2.25</span>% |  |
Annual interest |  | 12.28% |  |
Maturity |  | May-2026 |  |
Loans, borrowings and debentures |  | R$ 60,700 |  |
Objective |  | Investment |  |
Secured | Export credit agreement | CDI + 0.80% | December-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">0.80</span>% |  |
Annual interest |  | 10.02% |  |
Maturity |  | Dec-2023 |  |
Loans, borrowings and debentures |  | R$ 515,928 |  |
Objective |  | Investment |  |
Secured | Resolution 4,131 | U.S. Dollar | November-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ |  |
Annual interest |  | 0.90% |  |
Maturity |  | Nov-2022 |  |
Loans, borrowings and debentures |  | R$ 148,932 |  |
Objective |  | Working Capital |  |
Secured | Debentures | CDI + 1.79% | June-2027 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.79</span>% |  |
Annual interest |  | 11.10% |  |
Maturity |  | Jun-2027 |  |
Loans, borrowings and debentures |  | R$ 753,770 |  |
Objective |  | Investment |  |
Secured | Debentures | CDI + 1.30% | October-2027 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.30</span>% |  |
Annual interest |  | 10.57% |  |
Maturity |  | Oct-2027 |  |
Loans, borrowings and debentures |  | R$ 746,725 |  |
Objective |  | Investment |  |
Secured | Debentures | IPCA + 4.77% | June-2031 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.77</span>% |  |
Annual interest |  | 15.27% |  |
Maturity |  | Jun-2031 |  |
Loans, borrowings and debentures |  | R$ 694,898 |  |
Objective |  | Investment |  |
Secured | European investment bank | U.S. Dollar + Libor 6-month + 0.54% | May-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ + <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">6</span>-month + <span style="border-left: none; border-right: none;">0.54</span>% |  |
Annual interest |  | 0.80% |  |
Maturity |  | May-2021 |  |
Loans, borrowings and debentures |  |  | 30,817 |
Objective |  | Investment |  |
Secured | European investment bank | U.S. Dollar + Libor 6-month + 0.61% | September-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ + <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">6</span>-month + <span style="border-left: none; border-right: none;">0.61</span>% |  |
Annual interest |  | 0.80% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2021</span> |  |
Loans, borrowings and debentures |  |  | 57,813 |
Objective |  | Investment |  |
Unsecured |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Loans, borrowings and debentures |  | R$ 37,747,681 | 37,102,367 |
Unsecured | Resolution 4,131 | U.S. Dollar | Fixed | November-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 1.60% |  |
Maturity |  | Nov-2022 |  |
Loans, borrowings and debentures |  |  | 483,625 |
Objective |  | Working capital |  |
Unsecured | Resolution 4,131 | CDI | April-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI |  |
Annual interest |  | 4.60% |  |
Maturity |  | Apr-2021 |  |
Loans, borrowings and debentures |  |  | 206,908 |
Objective |  | Working capital |  |
Unsecured | Resolution 4,131 | U.S. Dollar + 3.67% | May-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ + <span style="border-left: none; border-right: none;">3.67</span>% |  |
Annual interest |  | 3.67% |  |
Maturity |  | May-2023 |  |
Loans, borrowings and debentures |  | R$ 438,823 | 415,232 |
Objective |  | Investment |  |
Unsecured | Resolution 4,131 | U.S. Dollar + 1.59% | April-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ + <span style="border-left: none; border-right: none;">1.59</span>% |  |
Annual interest |  | 1.59% |  |
Maturity |  | Apr-2021 |  |
Loans, borrowings and debentures |  |  | 388,912 |
Objective |  | Investment |  |
Unsecured | Resolution 4,131 | U.S. Dollar + 1.36% | February-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ + <span style="border-left: none; border-right: none;">1.36</span>% |  |
Annual interest |  | 1.36% |  |
Maturity |  | Feb-2024 |  |
Loans, borrowings and debentures |  | R$ 414,378 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.68% | February-2026 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.68</span>% |  |
Annual interest |  | 15.17% |  |
Maturity |  | Feb-2026 |  |
Loans, borrowings and debentures |  | R$ 543,752 | 595,847 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.50% | February-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.50</span>% |  |
Annual interest |  | 14.97% |  |
Maturity |  | Feb-2029 |  |
Loans, borrowings and debentures |  | R$ 1,483,873 | 739,202 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 3.60% | September-2020 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">3.60</span>% |  |
Annual interest |  | 11.53% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2020</span> |  |
Loans, borrowings and debentures |  | R$ 361,862 |  |
Objective |  | Investment |  |
Unsecured | Debentures | CDI + 2.65% | August-2025 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">2.65</span>% |  |
Annual interest |  | 12.04% |  |
Maturity |  | Aug-2025 |  |
Loans, borrowings and debentures |  | R$ 1,858,837 | 1,740,551 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 6.80% | April-2030 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">6.80</span>% |  |
Annual interest |  | 17.50% |  |
Maturity |  | Apr-2030 |  |
Loans, borrowings and debentures |  | R$ 891,972 | 803,745 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 3.90% | October-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">3.90</span>% |  |
Annual interest |  | 14.31% |  |
Maturity |  | Oct-2029 |  |
Loans, borrowings and debentures |  | R$ 1,018,844 | 1,025,777 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 5.73% | October 2033 [Member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">5.73</span>% |  |
Annual interest |  | 16.33% |  |
Maturity |  | Oct-2033 |  |
Loans, borrowings and debentures |  | R$ 505,584 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.00% | October-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.00</span>% |  |
Annual interest |  | 8.53% |  |
Maturity |  | Oct-2029 |  |
Loans, borrowings and debentures |  |  | 255,501 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.00% | December-2035 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.00</span>% |  |
Annual interest |  | 14.42% |  |
Maturity |  | Dec-2035 |  |
Loans, borrowings and debentures |  | R$ 952,671 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.54% | June-2036 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.54</span>% |  |
Annual interest |  | 15.02% |  |
Maturity |  | Jun-2036 |  |
Loans, borrowings and debentures |  | R$ 126,668 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 7.48% | December-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">7.48</span>% |  |
Annual interest |  | 18.25% |  |
Maturity |  | Dec-2022 |  |
Loans, borrowings and debentures |  | R$ 165,478 | 299,524 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 7.36% | December-2025 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">7.36</span>% |  |
Annual interest |  | 18.12% |  |
Maturity |  | Dec-2025 |  |
Loans, borrowings and debentures |  | R$ 108,451 | 97,956 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 5.87% | December-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">5.87</span>% |  |
Annual interest |  | 16.48% |  |
Maturity |  | Dec-2023 |  |
Loans, borrowings and debentures |  | R$ 873,474 | 890,658 |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 4.33% | October-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">4.33</span>% |  |
Annual interest |  | 14.79% |  |
Maturity |  | Oct-2024 |  |
Loans, borrowings and debentures |  | R$ 501,278 | 452,457 |
Objective |  | Investment |  |
Unsecured | Debentures | IGPM + 6.10% | May-2028 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IGPM + <span style="border-left: none; border-right: none;">6.10</span>% |  |
Annual interest |  | 12.11% |  |
Maturity |  | May-2028 |  |
Loans, borrowings and debentures |  | R$ 352,235 | 298,706 |
Objective |  | Investment |  |
Unsecured | Debentures | CDI + 0.50% | October-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">0.50</span>% |  |
Annual interest |  | 9.70% |  |
Maturity |  | Oct-2022 |  |
Loans, borrowings and debentures |  | R$ 2,033,161 | 2,007,848 |
Objective |  | Investment |  |
Unsecured | Debentures | CDI + 1.95% | August-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.95</span>% |  |
Annual interest |  | 11.28% |  |
Maturity |  | Aug-2024 |  |
Loans, borrowings and debentures |  | R$ 717,651 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 5.12% | August-2031 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">5,12</span>% |  |
Annual interest |  | 15.66% |  |
Maturity |  | Aug-2031 |  |
Loans, borrowings and debentures |  | R$ 484,974 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 5.22% | August-2036 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">5,22</span>% |  |
Annual interest |  | 15.77% |  |
Maturity |  | Aug-2036 |  |
Loans, borrowings and debentures |  | R$ 477,578 |  |
Objective |  | Investment |  |
Unsecured | Debentures | IPCA + 5.75% | August-2031 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">5.75</span>% |  |
Annual interest |  | 16.35% |  |
Maturity |  | Aug-2031 |  |
Loans, borrowings and debentures |  | R$ 374,761 |  |
Objective |  | Working capital |  |
Unsecured | Debentures | CDI + 1.65% | August-2028 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.65</span>% |  |
Annual interest |  | 7.90% |  |
Maturity |  | Aug-2028 |  |
Loans, borrowings and debentures |  | R$ 774,215 |  |
Objective |  | Working capital |  |
Unsecured | Debentures | CDI + 2.00% | August-2031 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">2.00</span>% |  |
Annual interest |  | 11.33% |  |
Maturity |  | Aug-2031 |  |
Loans, borrowings and debentures |  | R$ 930,301 |  |
Objective |  | Working capital |  |
Unsecured | Foreign loans | GBP + Libor 6-month + 1.50% | July-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Annual interest |  | 1.68% |  |
Maturity |  | Jul-2021 |  |
Loans, borrowings and debentures |  |  | 143,039 |
Objective |  | Working capital |  |
Unsecured | Foreign loans | GBP + Libor 6-month + 1.50% | December-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | GBP + <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">6</span>-month + <span style="border-left: none; border-right: none;">1.50</span>% |  |
Annual interest |  | 1.92% |  |
Maturity |  | Dec-2022 |  |
Loans, borrowings and debentures |  | R$ 263,501 | 248,666 |
Objective |  | Acquisition |  |
Unsecured | Foreign loans | GBP | Fixed | December-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | GBP | Fixed |  |
Annual interest |  | 1.90% |  |
Maturity |  | Dec-2023 |  |
Loans, borrowings and debentures |  | R$ 150,649 |  |
Objective |  | Investment |  |
Unsecured | Foreign loans | GBP | Fixed | November-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | GBP | Fixed |  |
Annual interest |  | 1.40% |  |
Maturity |  | Nov-2022 |  |
Loans, borrowings and debentures |  | R$ 37,674 | 35,556 |
Objective |  | Working capital |  |
Unsecured | Foreign loans | GBP + Libor 6-month + 1.10% | December-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | GBP + <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">6</span>-month + <span style="border-left: none; border-right: none;">1.10</span>% |  |
Annual interest |  | 1.17% |  |
Maturity |  | Dec-2021 |  |
Loans, borrowings and debentures |  |  | 142,091 |
Objective |  | Acquisition |  |
Unsecured | Foreign loans | EUR | Fixed | September-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | EUR | Fixed |  |
Annual interest |  | 4.42% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2022</span> |  |
Loans, borrowings and debentures |  | R$ 857 | 2,095 |
Objective |  | Investment |  |
Unsecured | Export Credit Note | CDI + 1.03% | February-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">1.03</span>% |  |
Annual interest |  | 3.12% |  |
Maturity |  | Feb-2023 |  |
Loans, borrowings and debentures |  |  | 82,185 |
Objective |  | Investment |  |
Unsecured | Export Credit Note | CDI + 0.80% | December-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">0.80</span>% |  |
Annual interest |  | 2.72% |  |
Maturity |  | Dec-2023 |  |
Loans, borrowings and debentures |  |  | 505,061 |
Objective |  | Investment |  |
Unsecured | Export Credit Note | CDI + 3.05% | March-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">3.05</span>% |  |
Annual interest |  | 5.01% |  |
Maturity |  | Mar-2021 |  |
Loans, borrowings and debentures |  |  | 208,464 |
Objective |  | Investment |  |
Unsecured | Export Credit Note | CDI + 3.15% | March-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">3.15</span>% |  |
Annual interest |  | 5.11% |  |
Maturity |  | Mar-2021 |  |
Loans, borrowings and debentures |  |  | 468,516 |
Objective |  | Investment |  |
Unsecured | Banking credit certificates | IPCA + 0.81% | January-2048 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | IPCA + <span style="border-left: none; border-right: none;">0.81</span>% |  |
Annual interest |  | 5.31% |  |
Maturity |  | Jan-2048 |  |
Loans, borrowings and debentures |  |  | 239,068 |
Objective |  | Working capital |  |
Unsecured | Perpetual notes | U.S. Dollar | November-2040 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ |  |
Annual interest |  | 8.25% |  |
Maturity |  | Nov-2040 |  |
Loans, borrowings and debentures |  | R$ 2,825,420 | 2,631,100 |
Objective |  | Acquisition |  |
Unsecured | Senior notes due 2023 | U.S. Dollar | Fixed | March-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 5.00% |  |
Maturity |  | Mar-2023 |  |
Loans, borrowings and debentures |  | R$ 685,550 | 569,466 |
Objective |  | Acquisition |  |
Unsecured | Senior notes due 2024 | U.S. Dollar | Fixed | February-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 7.38% |  |
Maturity |  | Feb-2024 |  |
Loans, borrowings and debentures |  |  | 4,514,289 |
Objective |  | Acquisition |  |
Unsecured | Senior notes due 2024 | U.S. Dollar | Fixed | September-2024 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 5.95% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2024</span> |  |
Loans, borrowings and debentures |  |  | 1,232,844 |
Objective |  | Acquisition |  |
Unsecured | Senior notes due 2025 | U.S. Dollar | Fixed | January-2025 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index | [1] | U.S.$ | Fixed |  |
Annual interest | [1] | 5.88% |  |
Maturity | [1] | Jan-2025 |  |
Loans, borrowings and debentures | [1] | R$ 2,981,335 | 3,067,359 |
Objective | [1] | Acquisition |  |
Unsecured | Senior notes due 2027 | U.S. Dollar | Fixed | January-2027 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 7.00% |  |
Maturity |  | Jan-2027 |  |
Loans, borrowings and debentures |  | R$ 4,305,928 | 4,379,812 |
Objective |  | Acquisition |  |
Unsecured | Senior notes due 2028 | U.S. Dollar | Fixed | January-2028 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index | [2] | U.S.$ | Fixed |  |
Annual interest | [2] | 5.25% |  |
Maturity | [2] | Jan-2028 |  |
Loans, borrowings and debentures | [2] | R$ 2,700,621 | 2,640,840 |
Objective | [2] | Acquisition |  |
Unsecured | Senior notes due 2029 | U.S. Dollar | Fixed | September-2029 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | U.S.$ | Fixed |  |
Annual interest |  | 5.50% |  |
Maturity |  | Sep-<span style="border-left: none; border-right: none;">2029</span> |  |
Loans, borrowings and debentures |  | R$ 4,226,142 | 3,932,483 |
Objective |  | Acquisition |  |
Unsecured | Senior Notes Due 2032 [Member] | U.S. Dollar | Fixed | January-2032 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index | [3] | U.S.$ | Fixed |  |
Annual interest | [3] | 4.20% |  |
Maturity | [3] | Jan-2032 |  |
Loans, borrowings and debentures | [3] | R$ 2,800,716 |  |
Objective | [3] | Acquisition |  |
Unsecured | Prepayment | July-2023 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | <span style="border-left: none; border-right: none;">1.27</span>% Base <span style="border-left: none; border-right: none;">360</span> |  |
Annual interest |  | 1.27% |  |
Maturity |  | Jul-2023 |  |
Loans, borrowings and debentures |  | R$ 166,355 |  |
Objective |  | Working capital |  |
Unsecured | Prepayment | Libor 3-month + 3.50% | March-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">3</span>-month + <span style="border-left: none; border-right: none;">3.50</span>% |  |
Annual interest |  | 5.57% |  |
Maturity |  | Mar-2021 |  |
Loans, borrowings and debentures |  |  | 27,129 |
Objective |  | Working capital |  |
Unsecured | Prepayment | Libor 3-month + 1.00% | November-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | <span style="border-left: none; border-right: none;">Libor</span> <span style="border-left: none; border-right: none;">3</span>-month + <span style="border-left: none; border-right: none;">1.00</span>% |  |
Annual interest |  | 1.59% |  |
Maturity |  | Nov-2021 |  |
Loans, borrowings and debentures |  | R$ 111,955 | 104,318 |
Objective |  | Working capital |  |
Unsecured | Bank overdrafts | 125.5% of CDI | January-2020 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | <span style="border-left: none; border-right: none;">125.5</span>% of CDI |  |
Annual interest |  | 5.53% |  |
Maturity |  | Jan-2020 |  |
Loans, borrowings and debentures |  |  | 4,318 |
Objective |  | Working capital |  |
Unsecured | Working capital | CDI + 2.75% | June-2022 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">2.75</span>% |  |
Annual interest |  | 10.90% |  |
Maturity |  | Jun-2022 |  |
Loans, borrowings and debentures |  | R$ 100,157 | 100,045 |
Objective |  | Working capital |  |
Unsecured | Promissory Notes | CDI + 3.00% | April-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">3.00</span>% |  |
Annual interest |  | 12.33% |  |
Maturity |  | Apr-2021 |  |
Loans, borrowings and debentures |  |  | 601,058 |
Objective |  | Investment |  |
Unsecured | Promissory Notes | CDI + 3.40% | April-2021 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest, Index |  | CDI + <span style="border-left: none; border-right: none;">3.40</span>% |  |
Annual interest |  | 12.73% |  |
Maturity |  | Apr-2021 |  |
Loans, borrowings and debentures |  |  | R$ 520,116 |
Objective |  | Investment |  |
[1] | On January 18, 2022, Rumo redeemed its 5.875% senior notes due in 2025, in the amount of U.S.$500,000, equivalent to R$2,780,500 pursuant to the terms of the indenture governing the notes.
[2] | On July 10, 2020, Rumo completed an offering of 5.250% senior notes due 2028 in an aggregate principal amount of U.S.$500,000. The proceeds of this offering were used to finance certain green projects including the replacement or locomotives and rolling stock, infrastructure to double lines, new yards and extension of yards, and railway modernization.
[3] | On September 22, 2021, Rumo completed an offering of 4.200% sustainability-linked notes due 2032 in an aggregate principal amount of U.S.$500,000. The proceeds of this offering were used for general corporate purposes, including repayment of Rumo’s indebtedness.

X
- Definition The description of objective of borrowings obtained. + References No definition available. + Details
Name: | csan_DescriptionOfBorrowingsObjective
Namespace Prefix: | csan_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans and borrowings. + References No definition available. + Details
Name: | csan_LoansAndBorrowings
Namespace Prefix: | csan_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_BorrowingsInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maturity of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_BorrowingsMaturity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_LongtermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ShorttermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=csan_SecuredBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_BrazilianNationalEconomicandSocialDevelopmentBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_URTJLPIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_March2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_November2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2048Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus3Point25PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_April2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point10PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_ExportCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_EuriborIndexPlus0Point58PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus1Point03PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_February2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus2Point25PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_May2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus0Point80PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_Resolution4131Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_November2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_DebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus1Point79PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_June2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus1Point30PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_October2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point77PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_June2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_EuropeanInvestmentBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexPlusLibor6MonthPlus0Point54PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_May2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexPlusLibor6MonthPlus0Point61PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=csan_UnsecuredBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexFixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_April2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexPlus3Point67PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_May2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexPlus1Point59PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_USDollarIndexPlus1Point36PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_February2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point68PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_February2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point50PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_February2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus3Point60PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus2Point65PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_August2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus6Point80PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_April2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus3Point90PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_October2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus5Point73PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_October2033Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point00PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point54PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_June2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus7Point48PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus7Point36PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus5Point87PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus4Point33PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_October2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IGPMIndexPlus6Point10PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_May2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus0Point50PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_October2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus1Point95PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_August2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus5Point12PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_August2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus5Point22PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_August2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus5Point75PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus1Point65PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_August2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus2Point00PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_ForeignLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_GBPIndexPlusLibor6MonthPlus1Point50PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_July2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_GBPIndexFixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_GBPIndexPlusLibor6MonthPlus1Point10PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_December2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_EUROIndexFixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_ExportCreditNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus3Point05PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_March2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus3Point15PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_BankingCreditCertificatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_IPCAIndexPlus0Point81PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_PerpetualNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_November2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_March2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_September2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_SeniorNotesDue2032Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2032Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_PrepaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_July2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_Libor3MonthPlus3Point50PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_Libor3MonthPlus1Point00PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_BankOverdraftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndex125Point5PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_January2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_WorkingCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus2Point75PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=csan_June2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=csan_PromissoryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus3Point00PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=csan_CDIIndexPlus3Point40PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |