v3.25.1
PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE, ASSETS AND GOODWILL, CONTRACT ASSETS, RIGHT-OF-USE AND INVESTMENT PROPERTIES - Summary of transaction charts of contract asset (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of property plant and equipment intangible assets goodwill right of use assets and contract assets [line items]    
Beginning of period R$ 1,052,105 R$ 1,118,715
Additions 1,618,848 1,528,094
Business combination 56,627  
Write-offs (27,531) (31,648)
Transfers (1,585,219) [1] (1,563,056)
End of period 1,114,830 1,052,105
Companhia de Gas de Sao Paulo - COMGAS [member]    
Disclosure of property plant and equipment intangible assets goodwill right of use assets and contract assets [line items]    
Beginning of period 1,041,421 1,110,335
Additions 1,602,284 1,494,142
Business combination 56,627  
Write-offs (4,650)
Transfers (1,585,219) [1] (1,563,056)
End of period 1,110,463 1,041,421
Moove [member]    
Disclosure of property plant and equipment intangible assets goodwill right of use assets and contract assets [line items]    
Beginning of period 10,684 8,380
Additions 16,564 33,952
Business combination  
Write-offs (22,881) (31,648)
Transfers [1]
End of period R$ 4,367 R$ 10,684
[1] The amount of the transfers also includes a portion of the intangible asset that was reclassified as a financial asset.