XML 163 R143.htm IDEA: XBRL DOCUMENT
v3.26.1

Impairment of long-lived assets (Details 4) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($)
IfrsStatementLineItems [Line Items] |
Impairment reversal | $ 108,005
Excess over recoverable amount | 33,502
Impact impairment | $ (14,859)
Long Term Zinc Price Assumption [Member] |
IfrsStatementLineItems [Line Items] |
Long term zinc price decrease | 5.00%
Stress on assumption | $ 2,964
Impairment reversal | 75,328
Impact | (32,677)
Excess over recoverable amount |
Impact impairment | (33,502)
Discount Rate Assumption [Member] |
IfrsStatementLineItems [Line Items] |
Impairment reversal | 108,005
Impact |
Excess over recoverable amount | $ 18,643
Discount rate increase | 5.00%
Discount rate | 7.43%

X
- Definition The reasonably possible percentage of the decrease in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 145 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_145_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 145 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_145_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount recognised as an increase of the carrying amount of an asset or cash-generating unit to its recoverable amount when an impairment loss had been previously recognised. [Refer: Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ReversalOfImpairmentLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount by which a cash-generating unit's (group of units') recoverable amount exceeds its carrying amount. [Refer: Carrying amount [member]; Total for all cash-generating units [member]] + References No definition available. + Details
Name: | nexa_ExcessOverRecoverableAmount
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 amount refers to the impact based on the actuarial assumption used to determine the present value of the defined benefit obligation + References No definition available. + Details
Name: | nexa_Impact
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount refers to the impact of impairment compared to the recoverable amount. + References No definition available. + Details
Name: | nexa_ImpactImpairment
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage used in the actuarial assumption applied to determine the present value of the defined benefit obligation. + References No definition available. + Details
Name: | nexa_PercentageOfReasonablyPossibleInActuarialAssumption
Namespace Prefix: | nexa_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount refers to the calculation based on the actuarial assumption used to determine the present value of the defined benefit obligation. + References No definition available. + Details
Name: | nexa_StressOnAssumption
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=nexa_LongTermZincPriceAssumptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=nexa_DiscountRateAssumptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |