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Basis of preparation of the consolidated financial statements (Details 3) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Net (loss) income for the year attributable to NEXA's shareholders	$ (205,030)	$ (291,968)	$ 49,695
Weighted average number of outstanding shares – in thousands	132,439	132,439	132,439
Earnings (losses) per share - USD	$ (1.55)	$ (2.20)	$ 0.38
Previously stated [member]
IfrsStatementLineItems [Line Items]
Net (loss) income for the year attributable to NEXA's shareholders		$ (289,354)	$ 49,101
Weighted average number of outstanding shares – in thousands		132,439	132,439
Earnings (losses) per share - USD		$ (2.18)	$ 0.37
Adjustments [Member]
IfrsStatementLineItems [Line Items]
Net (loss) income for the year attributable to NEXA's shareholders		$ (2,614)	$ 594
Weighted average number of outstanding shares – in thousands
Earnings (losses) per share - USD		$ (0.02)	$ 0.01
Revised [Member]
IfrsStatementLineItems [Line Items]
Net (loss) income for the year attributable to NEXA's shareholders		$ (291,968)	$ 49,695
Weighted average number of outstanding shares – in thousands		132,439	132,439
Earnings (losses) per share - USD		$ (2.20)	$ 0.38

X

- Definition

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

+ References

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- Definition

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- Definition

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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