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Inventory (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure Inventory Abstract |  |
Write down of inventories, beginning balance | $ (38,510) | $ (95,602)
Additions | (30,258) | (28,428)
Reversals | 21,663 | 89,200
Foreign exchange gains (losses) | 5,445 | (3,680)
Divestments | 1,943 |
Write down of inventories, ending balance | $ (39,717) | $ (38,510)

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

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- Definition The amount is related to divestments in some mining operations. + References No definition available. + Details
Name: | nexa_DivestmentsOfInventoryProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount is related to the exchange variation of inventory provisions. + References No definition available. + Details
Name: | nexa_ForeignExchangeGainsOfInventoryProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The element represents provision for inventories additions. + References No definition available. + Details
Name: | nexa_ProvisionForInventoriesAdditions
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount is related to the reversal of the net realizable value provision. + References No definition available. + Details
Name: | nexa_ReversalOfInventoryProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Ending balance of inventory provisions. + References No definition available. + Details
Name: | nexa_WriteDownOfInventories
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant