v3.25.1
PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE, ASSETS AND GOODWILL, CONTRACT ASSETS, RIGHT-OF-USE AND INVESTMENT PROPERTIES - Summary of Intangible Assets (Excluding Goodwill) (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill R$ 24,745,764 R$ 21,258,313
Concession rights [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill 22,154,805 18,820,566
Concession rights [member] | Companhia de Gas de Sao Paulo - COMGAS [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill [1] R$ 15,762,227 12,307,964
Concession rights [member] | Companhia de Gas de Sao Paulo - COMGAS [member] | Bottom of range [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization [1] 3.54%  
Concession rights [member] | Companhia de Gas de Sao Paulo - COMGAS [member] | Top of range [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization [1] 4.58%  
Concession rights [member] | Rumo Malha Norte SA [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization [2] 1.59%  
Intangible assets other than goodwill [2] R$ 6,392,578 6,512,602
Port operation license [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 3.70%  
Intangible assets other than goodwill R$ 44,375 47,610
Licenses and authorizations [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill R$ 188,344 179,828
Licenses and authorizations [member] | Moove [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 5.00%  
Intangible assets other than goodwill R$ 143,969 132,218
Brands and patents [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill 186,869 146,279
Brands and patents [member] | Comma [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill 59,255 47,015
Brands and patents [member] | PetroChoice [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill [3] 125,175 96,826
Brands and patents [member] | Tirreno [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill [3] 2,439 2,438
Customer Relationships [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill R$ 1,342,367 1,342,391
Customer Relationships [member] | Companhia de Gas de Sao Paulo - COMGAS [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 20.00%  
Intangible assets other than goodwill R$ 234,533 280,111
Customer Relationships [member] | Moove [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill [3] R$ 1,107,834 1,062,280
Customer Relationships [member] | Moove [member] | Bottom of range [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization [3] 5.00%  
Customer Relationships [member] | Moove [member] | Top of range [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization [3] 30.00%  
Other [member] | Other    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 20.00%  
Intangible assets other than goodwill R$ 78,932 104,724
Software license [member] | Other    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 20.00%  
Intangible assets other than goodwill R$ 220,084 90,162
Others [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill 299,016 194,886
Contract of supply [member]    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets other than goodwill R$ 574,363 574,363
Contract of supply [member] | Companhia de Gas de Sao Paulo - COMGAS [member]    
Disclosure of detailed information about intangible assets [line items]    
Annual rate of amortization 5.00%  
Intangible assets other than goodwill R$ 574,363 R$ 574,363
[1] Gas Distribution Concession Right: Intangible asset of the public gas distribution service concession, which represents the right to charge users for the supply of gas, composed of: (a) the concession rights recognized in the business combination and (b) the concession assets;
[2] Railway Concession Right: Referring to Rumo's railway concession contract. The amount will be amortized until the end of the concession in 2079;
[3] Authorization: Authorization for: (a) lubrication and contamination control solutions, (b) production and sale of lubricating oils, additives and fluids.