v3.26.1
BASIS OF PRESENTATION (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of subsidiaries [line items]      
Net sales $ 15,609,094 $ 17,649,060 $ 17,610,092
Net profit attributable to non-controlling interest (122,137) 227,453 $ 310,331
Assets 23,615,091 23,128,547  
Liabilities 7,467,345 6,996,978  
Capital and reserves attributable to the owners of the parent 11,944,300 11,968,186  
Non-controlling interest 4,203,446 4,163,383  
Usiminas      
Disclosure of subsidiaries [line items]      
Net sales 4,698,000 4,803,000  
Profit from continuing operations attributable to non-controlling interests (521,000) 1,000  
Net profit attributable to non-controlling interest 30,000 28,000  
Assets 6,485,000 6,439,000  
Liabilities 2,178,000 2,130,000  
Capital and reserves attributable to the owners of the parent 4,307,000 4,309,000  
Non-controlling interest $ 525,000 $ 452,000