XML 150 R129.htm IDEA: XBRL DOCUMENT v3.25.1
Intangible Assets - Schedule of Composition of Intangible Assets (Details) - BRL (R$)
R$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]        
Intangible assets R$ 16,806 R$ 15,249 R$ 14,621 R$ 12,953
Temporary Easements Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 7 8 9 10
Onerous Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 3 4 4 5
Assets of Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 15,828 14,284 13,555 11,807
Assets of Concession GSF [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 564 697 832 966
Other Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 84 60 15 4
Useful Life Defined Intangible Asset [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 16,486 15,053 R$ 14,415 R$ 12,792
Intangible Assets Under Developments [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 320 196    
Historical Cost [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 29,148 26,612    
Historical Cost [Member] | Temporary Easements Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 15 15    
Historical Cost [Member] | Onerous Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 14 14    
Historical Cost [Member] | Assets of Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 27,594 25,217    
Historical Cost [Member] | Assets of Concession GSF [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 1,031 1,031    
Historical Cost [Member] | Other Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 174 139    
Historical Cost [Member] | Useful Life Defined Intangible Asset [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 28,828 26,416    
Historical Cost [Member] | Intangible Assets Under Developments [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets 320 196    
Accumulated depreciation and amortisation [member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (12,342) (11,363)    
Accumulated depreciation and amortisation [member] | Temporary Easements Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (8) (7)    
Accumulated depreciation and amortisation [member] | Onerous Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (11) (10)    
Accumulated depreciation and amortisation [member] | Assets of Concession [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (11,766) (10,933)    
Accumulated depreciation and amortisation [member] | Assets of Concession GSF [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (467) (334)    
Accumulated depreciation and amortisation [member] | Other Intangible Assets [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (90) (79)    
Accumulated depreciation and amortisation [member] | Useful Life Defined Intangible Asset [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets (12,342) (11,363)    
Accumulated depreciation and amortisation [member] | Intangible Assets Under Developments [Member]        
IfrsStatementLineItems [Line Items]        
Intangible assets