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Acquisition of Interest and Control - Schedule of breakdown of the acquisition value, considering the working capital and net debt adjustments and primary contribution (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Jul. 01, 2023
Feb. 01, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Acquisition of Interest and Control          
Net cash consumed on investments acquisition     R$ 265,479 R$ 5,985 R$ 0
Companhia Ultragaz S A [member] | NEOgás do Brasil Gás Natural Comprimido S.A. ("NEOgás") [member]          
Acquisition of Interest and Control          
Amount of NEOgás’ purchase and sale agreement   R$ 165,000      
Working capital and net debt estimated adjustments   10,012      
Primary contribution   (85,290)      
Net cash consumed on investments acquisition   52,128      
Net cash consumed on investments acquisition   89,722      
Goodwill on the transaction   7,761      
Acquisition value   R$ 89,722      
Ultracargo Logística S.A. | Terminal de Combustíveis Paulínia S.A. (“Opla”) [member]          
Acquisition of Interest and Control          
Amount of NEOgás’ purchase and sale agreement R$ 237,500        
Net cash consumed on investments acquisition 210,096        
Equity of the acquired investee 51,462        
Goodwill on the transaction 158,634        
Acquisition value R$ 210,096