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v3.26.1

Provisions (Details Narrative) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Judicial deposits outstanding | $ 9,221 | $ 13,912
Estimate of financial effect of contingent liability | 362,147 | 430,567
Income Tax Over Transfers Of Shares In Peru [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimate of financial effect of contingent liability | 34,560 | 41,723
Compensation For Exploration For Mineral Resources [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimate of financial effect of contingent liability | 16,147 | 10,676
P I S And C O F I N S Tax Credit [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimate of financial effect of contingent liability | 71,600 |
Indemnity Lawsuits Alleging Property Damage Contingent Civil Liabilities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimate of financial effect of contingent liability | 13,569 | 17,821
Alleged Pollution Of Sao Francisco River Contingent Environmental Liability [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimate of financial effect of contingent liability | $ 83,072 | $ 93,634

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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_86_a&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References No definition available. + Details
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Namespace Prefix: | nexa_
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition The element represents outstanding judicial deposits. + References No definition available. + Details
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Balance Type: | debit
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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |