v3.26.1
Shareholders' equity (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Current assets $ 1,272,221 $ 1,207,268  
Current liabilities 1,467,344 1,145,293  
Non-current assets 4,002,696 3,430,197  
Non-current liabilities 2,518,010 2,431,879  
Net assets (529,260) (430,957)  
Accumulated non-controlling interests 286,629 246,363  
Net revenues 3,002,055 2,766,481 $ 2,573,233
Net income (loss) for the year 223,144 (187,407) (291,810)
Other comprehensive loss 75,464 (186,630) 79,025
Total comprehensive income (loss) for the year 298,608 (374,037) (212,785)
Net cash provided by (used in) operating activities 364,957 351,385 256,198
Net cash used in investing activities (297,044) (238,120) (270,352)
Net cash (used in) provided by financing activities (185,305) 62,446 (34,636)
(Decrease) increase in cash and cash equivalents (104,666) 163,278 $ (40,567)
Nexa Resources Peru S.A.A. [member]      
IfrsStatementLineItems [Line Items]      
Current assets 847,874 840,727  
Current liabilities 427,941 381,329  
Current net assets 419,933 459,398  
Non-current assets 1,495,772 1,176,393  
Non-current liabilities 518,914 422,555  
Non-current net assets 976,858 753,838  
Net assets 1,396,791 1,213,236  
Accumulated non-controlling interests 242,227 205,102  
Net revenues 1,063,503 881,122  
Net income (loss) for the year 276,866 (41,999)  
Other comprehensive loss  
Total comprehensive income (loss) for the year 276,866 (41,999)  
Comprehensive (loss) income attributable to non-controlling interests 53,258 (5,229)  
Dividends paid to non-controlling interests 17,179 5,938  
Net cash provided by (used in) operating activities 152,509 244,940  
Net cash used in investing activities (155,881) (108,007)  
Net cash (used in) provided by financing activities (113,055) (16,245)  
(Decrease) increase in cash and cash equivalents (116,427) 120,688  
Pollarix S.A. [member]      
IfrsStatementLineItems [Line Items]      
Current assets 44,390 21,597  
Current liabilities 36,714 8,169  
Current net assets 7,676 13,428  
Non-current assets 60,627 53,843  
Non-current liabilities 7,647 11,099  
Non-current net assets 52,980 42,744  
Net assets 60,656 56,172  
Accumulated non-controlling interests 44,402 42,569  
Net revenues 32,845 27,919  
Net income (loss) for the year 46,783 28,959  
Other comprehensive loss 7,932 (14,886)  
Total comprehensive income (loss) for the year 54,715 14,073  
Comprehensive (loss) income attributable to non-controlling interests 43,459 15,026  
Dividends paid to non-controlling interests 17,088 14,616  
Net cash provided by (used in) operating activities 27,532 (11,615)  
Net cash used in investing activities 3,185 2,130  
Net cash (used in) provided by financing activities (2,462) 13,783  
(Decrease) increase in cash and cash equivalents $ 28,255 $ 4,298