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Impairment of long-lived assets (Details 2) - Cerro Pasco CGU [Member] $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($)
IfrsStatementLineItems [Line Items] |
Carrying amount prior to impairment reversal | $ 286,603
Impairment reversal | 22,206
Carrying amount after impairment reversal | 308,809
Property, plant and equipment [member] |
IfrsStatementLineItems [Line Items] |
Carrying amount prior to impairment reversal | 223,788
Impairment reversal | 12,400
Carrying amount after impairment reversal | 236,188
Intangible Assets [Member] |
IfrsStatementLineItems [Line Items] |
Carrying amount prior to impairment reversal | 176,967
Impairment reversal | 9,806
Carrying amount after impairment reversal | 186,773
Other Net Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Carrying amount prior to impairment reversal | (114,152)
Impairment reversal |
Carrying amount after impairment reversal | $ (114,152)

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- Definition The element represents the carrying amount after to impairment reversal of long-lived-assets. + References No definition available. + Details
Name: | nexa_CarryingAmountAfterImpairmentReversal
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The element represents the carrying amount prior to impairment reversal of long-lived-assets. + References No definition available. + Details
Name: | nexa_CarryingAmountPriorToImpairmentReversal
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The element represents the impairment reversal of long-lived-assets recognized during the year. + References No definition available. + Details
Name: | nexa_ImpairmentReversal
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=nexa_CerroPascoCGUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=nexa_IntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=nexa_OtherNetLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |