v3.25.1
Marketable securities (Details) - BRL (R$)
R$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Marketable Securities R$ 6,918,765 R$ 13,363,511
Current 6,516,323 12,971,547
Non-Current 402,442 391,964
Country of domicile    
Disclosure of financial assets [line items]    
Marketable Securities 6,868,895 13,293,256
Foreign countries    
Disclosure of financial assets [line items]    
Marketable Securities R$ 49,870 70,255
Private Funds | CDI    
Disclosure of financial assets [line items]    
Percentage of basis used to calculate interest rate 98.90%  
Private Funds | Country of domicile    
Disclosure of financial assets [line items]    
Marketable Securities R$ 382,388 552,635
Private Securities | CDI/IPCA    
Disclosure of financial assets [line items]    
Percentage of basis used to calculate interest rate 6.15%  
Private Securities | Country of domicile    
Disclosure of financial assets [line items]    
Marketable Securities R$ 1,227,033 1,203,776
Private Securities (CDBs) | CDI    
Disclosure of financial assets [line items]    
Percentage of basis used to calculate interest rate 100.80%  
Private Securities (CDBs) | Country of domicile    
Disclosure of financial assets [line items]    
Marketable Securities R$ 4,833,953 11,144,881
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$ 402,442 391,964
Other | Foreign countries    
Disclosure of financial assets [line items]    
Marketable Securities R$ 49,870 70,255
Other (Restricted financial investment) | CDI    
Disclosure of financial assets [line items]    
Percentage of basis used to calculate interest rate 99.30%  
Other (Restricted financial investment) | Country of domicile    
Disclosure of financial assets [line items]    
Marketable Securities R$ 23,079