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v3.26.1

Other income and expenses, net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Other Income And Expenses Net |  |  |
Changes in fair value of energy forward contracts – note 16 (d) | $ 9,608 | $ 81 | $ (15,663)
Divestment and restructuring | 7,736 | 9,028 |
Changes in fair value of derivative financial instruments – note 16 (c) | 201 | 746 | (1,385)
Changes in asset retirement, restoration and environmental obligations – note 27 | (174) | 13,750 | (10,125)
Loss on sale and write-off of property, plant and equipment | (1,649) | (16,183) | (3,734)
Provision for legal claims | (15,160) | 1,908 | (13,892)
Penalties and fines on income tax (i) | (11,365) |  |
Slow moving and obsolete inventory | (10,383) | (10,897) | (4,372)
Contribution to communities | (12,911) | (14,554) | (13,134)
Changes in fair value of offtake agreement – note 16 (e) | (49,254) | (3,347) | 2,268
ICMS tax incentives |  |  | 32,338
Tax voluntary disclosure |  |  | (86,906)
Others | 3,868 | (14,043) | 4,021
Total other income and expenses, net | $ (79,483) | $ (33,511) | $ (110,584)

X
- Definition The gains (losses) on disposals of non-current assets. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount recognised as a reduction in the amount of inventories recognised as an expense due to the reversal of any write-down of inventories resulting from an increase in net realisable value. [Refer: Inventories; Inventory write-down] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2024-01-01 -Paragraph 36 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2024-en-r&anchor=para_36_f&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 98 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The element represents environmental and asset retirement obligations expense. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The element represents changes in fair value of derivative financial instruments + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The element represents changes in fair value of of energy forward contracts. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The element represents changes in fair value of offtake agreement + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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- Definition The element represents the effects of restructuring obligations and the gain or loss related to the divestments. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The element represents ICMS tax incentives. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition The element represents miscellaneous other operating income expense. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The element represents projects and contributions to communities. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The element represents provision for tax labor civil and environmental claims. + References No definition available. + Details
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Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Definition The element represents provision of tax voluntary disclosure - VAT discussions. + References No definition available. + Details
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Namespace Prefix: | nexa_
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Balance Type: | debit
Period Type: | duration

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- Definition The amount of operating income (expense) that the entity does not separately disclose in the same statement or note. + References No definition available. + Details
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