v3.26.1
INTANGIBLE - Changes in intangible assets with determined useful life (Details) - BRL (R$)
R$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Changes in intangible assets other than goodwill [abstract]    
Opening Balance R$ 4,778,353 R$ 5,709,964
Additions 4,083 82,492
Write-offs (36) (3,015)
Amortization 252,952 R$ 1,011,088
Closing Balance 4,529,448  
Cost    
Changes in intangible assets other than goodwill [abstract]    
Opening Balance 12,617,166  
Closing Balance 11,961,088  
Amortization    
Changes in intangible assets other than goodwill [abstract]    
Opening Balance (7,838,813)  
Closing Balance R$ (7,431,640)  
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$ 613,758  
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$ 7,407  
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$ 483,757  
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$ 150,971  
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$ 3,078,675  
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$ 186,262  
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$ 8,618