XML 148 R128.htm IDEA: XBRL DOCUMENT
v3.26.1

Asset retirement, restoration and environmental obligations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning of the year | $ 279,386 | $ 314,919
Additions | 11,291 | 56,375
Payments | (17,153) | (17,785)
Reversals |  | (1)
Interest accrual | 26,587 | 26,058
Remeasurement discount rate | 8,671 | (28,224)
Write-offs | (8,391) | (710)
Foreign exchange effects | 20,042 | (39,368)
Classified as liabilities associated with assets held for sale |  | (31,878)
Balance at the end of the year | 320,433 | 279,386
Current liabilities | 39,326 | 47,561
Non-current liabilities | 281,107 | 231,825
Provision for decommissioning, restoration and rehabilitation costs [member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning of the year | 240,408 |
Additions | 10,188 |
Payments | (12,744) |
Reversals |  |
Interest accrual | 23,012 |
Remeasurement discount rate | 8,919 |
Write-offs |  |
Foreign exchange effects | 15,028 |
Classified as liabilities associated with assets held for sale |  |
Balance at the end of the year | 284,811 | 240,408
Current liabilities | 35,032 |
Non-current liabilities | 249,779 |
Other environment related provision [member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning of the year | 32,159 |
Additions | 1,103 |
Payments | (4,409) |
Reversals |  |
Interest accrual | 3,114 |
Remeasurement discount rate | (339) |
Write-offs |  |
Foreign exchange effects | 3,994 |
Classified as liabilities associated with assets held for sale |  |
Balance at the end of the year | 35,622 | 32,159
Current liabilities | 4,294 |
Non-current liabilities | 31,328 |
Dams Obligations [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning of the year | 6,819 |
Additions |  |
Payments |  |
Reversals |  |
Interest accrual | 461 |
Remeasurement discount rate | 91 |
Write-offs | (8,391) |
Foreign exchange effects | 1,020 |
Classified as liabilities associated with assets held for sale |  |
Balance at the end of the year |  | $ 6,819
Current liabilities |  |
Non-current liabilities |  |

X
- Definition The increase (decrease) in other provisions resulting from a change in discount rate. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 84 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_e&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 84 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_d&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of additional provision of dams, asset retirement and enviromental obligation. + References No definition available. + Details
Name: | nexa_Additions
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount the was classified as liabilities associated with assets held for sale. + References No definition available. + Details
Name: | nexa_ClassifiedAsLiabilitiesAssociatedWithAssetsHeldForSale
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents current dams, asset retirement and environmental obligations. + References No definition available. + Details
Name: | nexa_CurrentAssetRetirementAndEnvironmentalObligations
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions] + References No definition available. + Details
Name: | nexa_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions] + References No definition available. + Details
Name: | nexa_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents current dams, asset retirement and environmental obligations. + References No definition available. + Details
Name: | nexa_NonCurrentAssetRetirementAndEnvironmentalObligations
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References No definition available. + Details
Name: | nexa_ProvisionUsedOtherProvision
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of reversal provision of dams, asset retirement and enviromental obligation. + References No definition available. + Details
Name: | nexa_Reversals
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of write-offs provision of dams, asset retirement and enviromental obligation. + References No definition available. + Details
Name: | nexa_Writeoffs
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_OtherEnvironmentRelatedProvisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=nexa_DamsObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |