v3.26.1
Shareholders' equity (Details 1) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Notes and other explanatory information [abstract]      
Net (loss) income for the year attributable to NEXA's shareholders $ 132,626 $ (205,030) $ (291,968)
Weighted average number of outstanding shares, basic 132,439 132,439 132,439
Weighted average number of outstanding shares, diluted 132,439 132,439 132,439
Earning (losses) per share, basic $ 1.00 $ (1.55) $ (2.20)
Earning (losses) per share, diluted $ 1.00 $ (1.55) $ (2.20)