XML 160 R140.htm IDEA: XBRL DOCUMENT
v3.26.1

Impairment of long-lived assets (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |  |
Long-term zinc price (USD/t) | $ 3,120 | $ 2,930 | $ 2,800
Exchange rate (BRL x USD) | 5.43 | 5.66 | 4.84
Bottom of range [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Brownfield projects - LOM (years) | 3 years | 3 years | 4 years
Top of range [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Brownfield projects - LOM (years) | 25 years | 25 years | 21 years
P E [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Discount rate | 7.08% | 7.08% | 7.22%
Brazil [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Discount rate | 7.63% | 7.64% | 8.02%

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The exchange rate applied to cashh flow projection. + References No definition available. + Details
Name: | nexa_ExchangeRate
Namespace Prefix: | nexa_
Data Type: | xbrli:decimalItemType
Balance Type: | na
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 the durantion time of Brownfield projects. + References No definition available. + Details
Name: | nexa_LifeOfMineMines
Namespace Prefix: | nexa_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The element represents de price of long-term zinc + References No definition available. + Details
Name: | nexa_ZincPrice
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
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: |