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Inventories - Breakdown of Inventories (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Summary of inventories [line items]    
Inventories R$ 3,917,076 R$ 4,291,431
Fuels, lubricants, and greases [member]    
Summary of inventories [line items]    
Inventories 3,009,100 3,367,094
Raw materials [member]    
Summary of inventories [line items]    
Inventories 373,544 282,197
Purchase for future delivery [member]    
Summary of inventories [line items]    
Inventories [1] 255,001 386,281
Consumable materials and other items for resale [member]    
Summary of inventories [line items]    
Inventories 129,539 121,537
Liquified petroleum gas - LPG [member]    
Summary of inventories [line items]    
Inventories 128,098 112,100
Properties for resale [member]    
Summary of inventories [line items]    
Inventories R$ 21,794 R$ 22,222
[1] Refers substantially to ethanol, biodiesel and advances for fuel acquisition.