XML 117 R97.htm IDEA: XBRL DOCUMENT
v3.26.1

Other financial instruments (Details 2) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Fair value | $ (2,341) | $ (1,484) | $ 2,600
Hedging Programs For Mismatches Of Quotation Periods [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value | 1,053 | 1,449 |
Hedging Programs For Concentrate Sales [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value | (6,481) |  |
Hedging Programs For Concentrate Sales [Member] | Silver Zero Cost Collar [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 1,651,819 |  |
Fair value | (6,478) |  |
Hedging Programs For Concentrate Sales [Member] | Gold Zero Cost Collar [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 2,067 |  |
Fair value | (3) |  |
Hedging Programs For Mismatches Of Quotation Periods [Member] | Zinc Forward [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 239,304 | 232,717 |
Fair value | 1,053 | 1,449 |
Hedging Programs For Sales Of Zinc At Fixed Price [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value | 548 | 203 |
Hedging Programs For Sales Of Zinc At Fixed Price [Member] | Zinc Forward [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 3,249 | 2,584 |
Fair value | 548 | 203 |
Hedging Programs For Inflation Risks [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value | 7,221 | (168) |
Hedging Programs For Inflation Risks [Member] | Brazilian Inflation Versus Brazilian Interbank Interest Rate Swap [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 100,000 | 100,000 |
Fair value | (421) | (168) |
Hedging Programs For Inflation Risks [Member] | Brazilian Inflation Versus Brazilian Interbank Interest Rate Swap 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Nominal | 650,000 |  |
Fair value | 7,642 |  |
Hedging Of Changes In Foreign Exchange Rates [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value | $ 2,341 | $ 1,484 |

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- Definition The element represents the fair value of derivative financial instruments + References No definition available. + Details
Name: | nexa_DerivativeFinancialAssetsLiabilities
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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 nominal amount of derivative financial instruments. + References No definition available. + Details
Name: | nexa_NominalAmountOfHedgingInstrument1
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

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

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

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

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

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

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

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