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v3.25.1

Consolidated statement of cash flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
(Loss) Income before income tax | $ (71,851) | $ (296,084) | $ 227,971
Depreciation and amortization | 330,198 | 310,475 | 292,140
Impairment loss of long-lived assets | 32,870 | 114,643 | 32,512
Share in the results of associates | (21,223) | (23,536) | (1,885)
Interest, foreign exchange and other financial effects | 230,858 | 137,405 | 127,630
Loss on sale and write-off of property, plant and equipment | 16,183 | 3,734 | 698
Gain on divestments | (9,028) |  |
Other restoration obligations |  | 6,960 |
Tax voluntary disclosure – VAT matters |  | 102,939 |
Changes in provisions and other assets impairments | (15,512) | (37,800) | 84,393
Changes in fair value of loans and financings | 3,627 | 525 | 1,472
Debt modification gain | (3,142) |  |
Changes in fair value of derivative financial instruments | (194) | (12,514) | (14,947)
Changes in fair value of energy forward contracts | (81) | 15,663 |
Changes in fair value of offtake agreement | 3,347 | (2,268) | (24,267)
Contractual obligations | 21,084 | 10,121 | 10,565
Price cap on offtake agreement | (3,246) |  |
Decrease (increase) in assets |  |  |
Trade accounts receivable | (85,208) | 58,067 | (29,215)
Inventory | (34,728) | 127,002 | (75,071)
Other financial instruments | (4,762) | 13,271 | 8,648
Other assets | (117,318) | (70,948) | (72,607)
Increase (decrease) in liabilities |  |  |
Trade payables | 139,089 | (451) | (32,476)
Confirming payables | 38,335 | 17,074 | (16,348)
Other liabilities | 82,980 | (42,785) | (17,448)
Cash provided by operating activities | 532,278 | 431,493 | 501,765
Interest paid on loans and financings | (128,068) | (113,018) | (109,263)
Interest paid on lease liabilities | (11,645) | (6,086) | (1,543)
Premium paid on bonds repurchase | (7,069) |  | (3,277)
Income tax paid | (35,776) | (56,191) | (118,719)
Net cash provided by operating activities | 349,720 | 256,198 | 268,963
Cash flows from investing activities |  |  |
Additions of property, plant and equipment | (259,010) | (310,150) | (382,468)
Additions of intangible assets | (5,748) | (3,087) | (4,595)
Net sales of financial investments | (663) | 19,556 | 10,647
Purchase of stake in subsidiary from non-controlling shareholders | 510 |  |
Proceeds from the sale of property, plant and equipment | 738 | 1,229 | 751
Proceeds from the sale of Morro Agudo | 2,078 |  |
Dividends received | 25,185 | 22,100 | 7,867
Investments in equity instruments | (700) |  | (7,000)
Acquisition of additional shares in associates |  |  | (4,136)
Net cash used in investing activities | (237,610) | (270,352) | (378,934)
Cash flows from financing activities |  |  |
New loans and financings | 799,439 | 56,408 | 95,621
Debt issue costs | (7,577) | (74) | (128,533)
Payments of loans and financings | (681,475) | (27,087) | (24,639)
Payments of lease liabilities | (32,056) | (15,170) | (19,424)
Dividends paid | (15,529) | (23,713) | (68,466)
Contribution of non-controlling interest capital | (866) |  |
Payments of share premium |  | (25,000) | (6,126)
Net cash provided by (used in) financing activities | 61,936 | (34,636) | (151,567)
Foreign exchange effects on cash and cash equivalents | (10,768) | 8,223 | 15,547
Increase (decrease) in cash and cash equivalents | 163,278 | (40,567) | (245,991)
Cash and cash equivalents at the beginning of the year | 457,259 | 497,826 | 743,817
Cash and cash equivalents at the end of the year | 620,537 | 457,259 | 497,826
Non-cash investing and financing transactions |  |  |
Additions to right-of-use assets | (64,955) | (68,428) | (2,450)
Additions to property, plant and equipment | (18,581) |  |
Write-offs of property, plant and equipment | 16,579 | 4,089 | 1,449
Write-offs of right of use assets | (5,348) | (7,374) |
Additions to intangible assets related to offtake agreement and other intangibles |  |  | (52,934)
Increase in investment in associates |  |  | (32,456)
Derecognition of Nexa’s share of Enercan’s property, plant and equipment, intangible assets and financial investments |  |  | $ 46,858

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- Definition The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 14 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_14_f&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The element represents acquisition of additional shares in associates. + References No definition available. + Details
Name: | nexa_AcquisitionOfAdditionalSharesInAssociates
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents additions of intangible assets. + References No definition available. + Details
Name: | nexa_AdditionsOfIntangibleAssets
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents additions to intangible assets related to offtake agreement and other intangibles. + References No definition available. + Details
Name: | nexa_AdditionsToIntangibleAssetsRelatedToOfftakeAgreementAndOtherIntangibles
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents additions to property, plant and equipment. + References No definition available. + Details
Name: | nexa_AdditionsToPropertyPlantAndEquipment
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents additions to right-of-use assets. + References No definition available. + Details
Name: | nexa_AdditionsToRightofuseAssets1
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents adjustments for interest indexation, exchange variations and other financial effects. + References No definition available. + Details
Name: | nexa_AdjustmentsForInterestIndexationAndExchangeVariations
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents net cash provided by used in operating activities abstract. + References No definition available. + Details
Name: | nexa_CashFlowsFromOperatingActivitiesAbstract
Namespace Prefix: | nexa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References No definition available. + Details
Name: | nexa_CashProvidedByOperatingActivities
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Definition The element represents changes in fair value of Offtake Agreement. + References No definition available. + Details
Name: | nexa_ChangesInFairValueOfOfftakeAgreement
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents the changes in provisions of and other assets impairments. + References No definition available. + Details
Name: | nexa_ChangesInProvisionsAndOtherAssetsImpairments
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents contractual obligation. + References No definition available. + Details
Name: | nexa_ContractualObligations
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents the debt modification related to roll-over. + References No definition available. + Details
Name: | nexa_DebtModificationGain
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | nexa_DecreaseIncreaseInAssetsAbstract
Namespace Prefix: | nexa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represents depreciation and amortization. + References No definition available. + Details
Name: | nexa_DepreciationsAndAmortization
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents derecognition of Nexa's share of Enercan's property, plant and equipment, intangible assets and financial investments. + References No definition available. + Details
Name: | nexa_DerecognitionOfNexasShareOfEnercansPropertyPlantAndEquipmentIntangibleAssetsAndFinancialInvestments
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents the gain related to the divestments. + References No definition available. + Details
Name: | nexa_GainOnDivestments
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | nexa_IncreaseDecreaseInLiabilitiesAbstract
Namespace Prefix: | nexa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represents increase in investment in associates. + References No definition available. + Details
Name: | nexa_IncreaseInInvestmentInAssociates
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents interest paid on lease liabilities. + References No definition available. + Details
Name: | nexa_InterestPaidOnLeaseLiabilities
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents interest paid on loans and financing. + References No definition available. + Details
Name: | nexa_InterestPaidOnLoansAndFinancings
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents investments in equity instruments. + References No definition available. + Details
Name: | nexa_InvestmentsInEquityInstruments1
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents net cash provided by used in investing activities. + References No definition available. + Details
Name: | nexa_NetCashUsedInInvestingActivities
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents increase decrease through changes in financial investments. + References No definition available. + Details
Name: | nexa_NetSalesOfFinancialInvestments
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | nexa_NoncashInvestingAndFinancingTransactionsAbstract
Namespace Prefix: | nexa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represents provision of other restoration obligations. + References No definition available. + Details
Name: | nexa_OtherRestorationObligations
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents premium paid on bonds repurchase. + References No definition available. + Details
Name: | nexa_PremiumPaidOnBondsRepurchase
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents sales with the copper price higher than the price cap, therefore resulting in the reduction of the financial instrument liability for these sales, and the recognition of revenue at fair values. + References No definition available. + Details
Name: | nexa_PriceCapOnOfftakeAgreement
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents the contribution of non-controlling interest capital. + References No definition available. + Details
Name: | nexa_ProceedsFromContributionOfNoncontrollingInterestCapital
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow representing dividends received from associates, classified as investing activities. + References No definition available. + Details
Name: | nexa_ProceedsFromDividendReceived
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the sale of Morro Agudo. + References No definition available. + Details
Name: | nexa_ProceedsFromSaleOfMorroAgudo
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents the purchase of stake in subsidiary from non-controlling shareholders. + References No definition available. + Details
Name: | nexa_PurchaseOfStakeInSubsidiaryFromNoncontrollingShareholders
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents shares the results of associates. + References No definition available. + Details
Name: | nexa_ShareInResultsOfAssociates
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The element represents provisions of Tax Voluntary Disclosure Vat Discussions. + References No definition available. + Details
Name: | nexa_TaxVoluntaryDisclosureVatDiscussions
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The element represents write-offs of right of use assets. + References No definition available. + Details
Name: | nexa_WriteoffsOfRightOfUseAssets
Namespace Prefix: | nexa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration