v3.26.1
INTANGIBLE - Changes in intangible assets with determined useful life (Details) - BRL (R$)
R$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 4,778,353 R$ 5,709,964
Additions 71,385 82,492
Write-offs (36) (3,015)
Amortization 507,777 R$ 1,011,088
Closing Balance 4,341,925  
Cost    
Changes in intangible assets other than goodwill [abstract]    
Opening Balance 12,617,166  
Closing Balance 11,965,804  
Amortization    
Changes in intangible assets other than goodwill [abstract]    
Opening Balance (7,838,813)  
Closing Balance R$ (7,623,879)  
Port concessions    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 3.94%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 621,842  
Closing Balance R$ 605,494  
Supplier agreements    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 12.70%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 11,111  
Closing Balance R$ 3,704  
Port service contracts    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 4.26%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 491,094  
Closing Balance R$ 476,416  
Trademarks and patents    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 8.14%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 154,846  
Closing Balance R$ 147,380  
Customer portfolio    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 9.10%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 3,283,919  
Closing Balance R$ 2,873,430  
Software    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 25.45%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 206,635  
Closing Balance R$ 227,397  
Other    
Disclosure of detailed information about intangible assets [table]    
Amortisation rate, intangible assets other than goodwill 10.00%  
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 8,906  
Closing Balance R$ 8,104