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Marketable securities (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 13,363,511 | R$ 13,267,286
Current | 12,971,547 | 12,823,886
Non-Current | 391,964 | 443,400
Country of domicile |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | 13,293,256 | 5,889,009
Foreign countries |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 70,255 | 7,378,277
Private Funds | CDI |  |
Disclosure of financial assets [line items] |  |
Percentage of basis used to calculate interest rate | 97.76% |
Private Funds | Country of domicile |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 552,635 | 1,295,296
Private Securities | CDI |  |
Disclosure of financial assets [line items] |  |
Percentage of basis used to calculate interest rate | 6.10% |
Private Securities | Country of domicile |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 1,203,776 |
Private Securities (CDBs) | CDI |  |
Disclosure of financial assets [line items] |  |
Percentage of basis used to calculate interest rate | 100.91% |
Private Securities (CDBs) | Country of domicile |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 11,144,881 | 4,150,313
CDBs - Escrow Account | CDI |  |
Disclosure of financial assets [line items] |  |
Percentage of basis used to calculate interest rate | 101.76% |
CDBs - Escrow Account | Country of domicile |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 391,964 | 443,400
Time Deposits | Foreign countries |  |
Disclosure of financial assets [line items] |  |
Marketable Securities |  | 7,333,308
Average yield p.a. % |  |
Other | Foreign countries |  |
Disclosure of financial assets [line items] |  |
Marketable Securities | R$ 70,255 | R$ 44,969

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