v3.26.1
Note 1 - Segment information - Tubes Segment Revenues By Market (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of operating segments [line items]      
Net Sales $ 11,981,157 $ 12,523,934 $ 14,868,860
Tubes [member]      
Disclosure of operating segments [line items]      
Net Sales 11,400,000 11,907,000 14,185,000
Tubes [member] | Oil and natural gas [member]      
Disclosure of operating segments [line items]      
Net Sales 10,172,000 10,689,000 12,488,000
Tubes [member] | Oil and gas processing plants [member]      
Disclosure of operating segments [line items]      
Net Sales 557,000 548,000 818,000
Tubes [member] | Industrial, power and others      
Disclosure of operating segments [line items]      
Net Sales $ 671,000 $ 670,000 $ 879,000