The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]

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

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- Definition

The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

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- 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

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The amount represents a decrease in additional impairment loss.

+ 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 amount represents a decrease in impairment loss.

+ References

No definition available.

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Namespace Prefix:	nexa_
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Balance Type:	debit
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- References

No definition available.

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- Definition

The amount represents a increase in additional impairment loss.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The amount represents a increase in impairment loss.

+ References

No definition available.

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Impairment of long-lived assets (Details Narrative) - USD ($) $ in Thousands			3 Months Ended	9 Months Ended	12 Months Ended
	Nov. 24, 2024	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Intangible assets					$ 834,687	$ 909,279	$ 1,016,927
Decrease in impairment loss				$ 39,292
Decrease in additional impairment loss				$ 61,498
Increase in impairment loss					14,932
Increase in additional impairment loss					7,274
Cerro Pasco CGU [Member]
IfrsStatementLineItems [Line Items]
Intangible assets					206,423
Impairment reversal	$ 3,978	$ 22,206	$ 10,291
Impairment loss					$ 58,435