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v3.25.1

Other financial instruments (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Cost of sales | $ (33,063) | $ 14,988
Net revenues | 31,140 | (483)
Other income and expenses, net | 746 | (1,385)
Other comprehensive (loss) income | (872) | 732
Realized (loss) gain | 4,762 | 13,271
Net financial results | 1,371 | $ (606)
Hedging Programs For Mismatches Of Quotation Periods [Member] | Zinc Forward [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Cost of sales | (33,063) |
Net revenues | 27,514 |
Other income and expenses, net | 746 |
Other comprehensive (loss) income | (872) |
Realized (loss) gain | 10,299 |
Hedging Programs For Sales Of Zinc At Fixed Price [Member] | Zinc Forward [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net revenues | 3,626 |
Realized (loss) gain | (4,449) |
Hedging Programs For Interest Rate Risk ICPA [Member] | Zinc Forward [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Realized (loss) gain | 148 |
Net financial results | 135 |
Hedging Programs For Interest Rate Risk EUR [Member] | Zinc Forward [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Realized (loss) gain | (1,236) |
Net financial results | $ 1,236 |

X
- References No definition available. + Details
Name: | nexa_IfrsStatementLineItems
Namespace Prefix: | nexa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The element represents cost of sales on derivative instrument. + References No definition available. + Details
Name: | nexa_InventoryOnDerivativeInstrument
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents net financial results on derivative instrument. + References No definition available. + Details
Name: | nexa_NetFinancialResultsOnDerivativeInstrument
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents net revenues on derivative instrument. + References No definition available. + Details
Name: | nexa_NetRevenuesOnDerivativeInstrument
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents other comprehensive income or loss on derivative instrument. + References No definition available. + Details
Name: | nexa_OtherComprehensiveIncomeOrLossOnDerivativeInstrument
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents other income and expenses on derivative instrument. + References No definition available. + Details
Name: | nexa_OtherIncomeAndExpensesOnDerivativeInstrument
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents realized gain loss on derivative instruments. + References No definition available. + Details
Name: | nexa_RealizedGainLossOnDerivativeInstruments
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_HedgingInstrumentsAxis=nexa_ZincForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | nexa_HedgingProgramsAxis=nexa_HedgingProgramsForSalesOfZincAtFixedPriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nexa_HedgingProgramsAxis=nexa_HedgingProgramsForInterestRateRiskICPAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nexa_HedgingProgramsAxis=nexa_HedgingProgramsForInterestRateRiskEURMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |