Entity Addresses, Address Type [Axis]
Business Contact [Member]
Components of equity [axis]
Additional paid-in capital [member]
Capital reserve [member]
Miscellaneous other reserves [member]
Retained earnings [member]
Accumulated other comprehensive income [member]
Equity attributable to owners of parent [member]
Non-controlling interests [member]
Currency in which information is displayed [axis]
Currency Of U S D [Member]
Currency Of B R L [Member]
Currency Of E U R [Member]
Categories of related parties [axis]
Brazilian Central Bank [Member]
Business combinations [axis]
Estrela Comercioe Participacoes S. A. [Member]
Maturity [axis]
March 2026 [Member]
March 2027 [Member]
March 2028 [Member]
Estrela [Member]
Globaldot [Member]
Galvacolor Gramperfil And Globaldot [Member]
In Cash [Member]
Installment One [Member]
Installment Two [Member]
Installment Three [Member]
Classes of assets [axis]
Fixed Interest In U S D [Member]
Classes of financial assets [axis]
Bonds Facility And A C C [Member]
Fixed Interest In B R L [Member]
B N D E S F I N A M E F I N E P Debentures C R I And N C E [Member]
Local Debt [Member]
Not later than one year [member]
Foreign Debt [Member]
Later than one year and not later than two years [member]
Later than two years and not later than three years [member]
Later than three years and not later than four years [member]
Later than four years and not later than five years [member]
Later than five years [member]
Grupo Estrela [Member]
Estrela Group [Member]
Galvacolor [Member]
Gramperfil [Member]
Total A [Member]
Total B [Member]
Segments [axis]
B R [Member]
Abroad [Member]
Investment [Member]
Usiminas Shares [Member]
Bond [Member]
Third Parties [Member]
Geographical areas [axis]
Country of domicile [member]
Foreign countries [member]
Related Partie [Member]
Past due status [axis]
Current [member]
Past Due Up To 30 Days [Member]
Past Due Up To 180 Days [Member]
Past Due Over 180 Days [Member]
Finished Goods [Member]
Work In Progress [Member]
Raw Materials [Member]
Storeoom Supplies [Member]
Advances To Suppliers [Member]
Provision For Losses [Member]
State Value Added Tax [Member]
Brazilian Federal Contributions [Member]
Other Taxes [Member]
Judicial Deposits [Member]
Derivative Transactions [Member]
Dividends Receivable [Member]
Prepaid Expenses [Member]
Actuarial Asset [Member]
Loans With Related Parties [Member]
Other Receivables From Related Parties [Member]
Trading Security [Member]
Compulsory Loans From Eletrobras [Member]
Employees Debts [Member]
Receivables By Indemnity [Member]
Receivables Usiminas Shares [Member]
Other [Member]
Subsidiaries [axis]
C S N Islands V I I Corp [Member]
C S N Inova Ventures [Member]
C S N Islands X I I Corp [Member]
C S N Steel S L U [Member]
Td B B S A [Member]
Sepetiba Tecon S. A. [Member]
Minerios Nacional S A [Member]
Companhia Florestaldo Brasil [Member]
Estanho De Rondonia S A [Member]
Companhia Metalurgica Prada [Member]
C S N Mineracao S A [Member]
C S N Energia S A [Member]
F T L Ferrovia Transnordestina Logistica S A [Member]
Nordeste Logistica S A [Member]
C S N Inova Ltd [Member]
C B S I Companhia Brasileira De Servicos De Infraestrutura [Member]
C S N Cimentos Brasil S A [Member]
Berkeley Participacoes E Empreendimentos S A [Member]
C S N Inova Solucoes S A [Member]
C S N Participacoes I S. A [Member]
C S N Participacoes I I I S. A [Member]
C S N Participacoes I V S. A [Member]
C S N Participacoes V S. A. [Member]
C S N Incorporacao E Participacoes Ltda [Member]
Circula Mais Servicos De Intermediacao Comercial S A [Member]
Lusosider Projectos Siderurgicos S A [Member]
Lusosider Acos Planos S A [Member]
C S N Resources S A [Member]
Companhia Brasileira De Latas [Member]
Companhia De Embalagens Metalicas M M S A [Member]
Companhia De Embalagens Metalicas M T M [Member]
C S N Productos Siderurgicos S L [Member]
Stalhwerk Thuringen Gmb H [Member]
C S N Steel Sections Polska Sp Zoo [Member]
C S N Mining Holding S L U [Member]
C S N Mining Gmb H [Member]
C S N Mining Asia Limited [Member]
Lusosider Iberica S A [Member]
Companhia Siderurgica Nacional L L C [Member]
Elizabeth Cimentos S A [Member]
Santa Ana Energetica S A [Member]
Topazio Energetica S A [Member]
Brasil Central Energia Ltda [Member]
Circula Mais Servico De Intermediacao Comercial S A [Member]
Metalgrafica Iguacu S A [Member]
Companhia Energetica Chapeco [Member]
Companhia Estadual De Geracaode Energia Eletrica C E E E G [Member]
Ventosde Vera Cruz S A [Member]
Ventosde Curupira S A [Member]
Ventosde Povo Novo S A [Member]
M A Z E T Maschinenbau Zerspanungstechnik Unterwellwnborn Gmb H [Member]
C S N I T C Solutions A G [Member]
C S N Mining Internacional Gmb H [Member]
Gramperfil S. A. [Member]
C S N International Steel Gmb H [Member]
Tora Transportes Ltda [Member]
Tora Locacoes S. A. [Member]
F J X Transportes S. A [Member]
N. Minas Transportese Locacoes Ltda [Member]
Saratoga Transportes Ltda [Member]
Lokamig Renta Car S. A [Member]
Seminovos Lokamig Ltda [Member]
Tora Logistica Armazense Terminais Multimodais S. A [Member]
Tora Recintos Alfandegarios S. A. [Member]
Tora Seminovos Comerciode Veiculos Ltda [Member]
C S N Captive Insurance Company L L C [Member]
Global Dot Com S. A [Member]
Galvacolor Jerez S. L. U [Member]
Ita Energetica S A [Member]
M R S Logistica S A [Member]
Aceros Del Orinoco S A [Member]
Transnordestina Logistica S A [Member]
Equimac S A [Member]
M R S Logistica S A 1 [Member]
Arvedi Metalfer Do Brasil S A [Member]
Panatlantica S. A [Member]
Jaguari Energetica S A [Member]
Chapecoense Geracao S A [Member]
Companhia Energetica Riodas Antas Ceran [Member]
Foz Chapeco Energia S A [Member]
Diplic I I Private Credit Balanced Mutual Fund [Member]
Caixa Vertice Private Credit Balanced Mutual Fund [Member]
V R 1 Private Credit Balanced Mutual Fund [Member]
Consorcio Itauba [Member]
Consorcio Passo Real [Member]
Consorcio Da Usina Hidreletrica De Igarapava [Member]
Consorcio Dona Francisca [Member]
Joint operations [axis]
M R S Logistica [Member]
Fair Value M R S [Member]
Fair Value M R S Amortization [Member]
Fair Value Transnordestina [Member]
Arvedi Metalferdo Brasil [Member]
Panatlantica S. A. [Member]
Equibras S. A [Member]
Indirect Interest In Affiliates C E E E G [Member]
Fair Value Indirect Participation C E E E G [Member]
Fair Value Amortization Indirect Participation C E E E G [Member]
Others [Member]
Other Participations [Member]
Total Shareholdings [Member]
Fair Value Investments Through Profit Or Loss [Member]
Associates [axis]
Transnordestina [Member]
Arvedi Metalferdo Brasils [Member]
Equibras S. A. [Member]
Fair Value Amortizated [Member]
Global Dot Com S. A. [Member]
C S N Inova Solucoes S. A. [Member]
M R S Logistica S. A. [Member]
C S N Mineracao [Member]
Companhia Sidurgica Nacional [Member]
Itochu Corporation [Member]
Japao Brasil Minerio De Ferro Participacoes Ltda [Member]
Consorcio Da Usina Hidreletrica De Itauba [Member]
Types of interest rates [axis]
Direct Interest [Member]
Indirect Interest [Member]
Consorcio Da Usina Hidreletrica De Passo Real [Member]
Investment property [member]
Cash And Cash Equivalent [Member]
Trade receivables [member]
Inventory [Member]
Other assets [member]
Corporate Investments [Member]
Property, plant and equipment [member]
Intangible Assets And Goodwill [Member]
Total Assets [Member]
Classes of financial liabilities [axis]
Trade Payables [Member]
Borrowings And Financing [Member]
Salaries And Social Charges [Member]
Taxes Payables [Member]
Lease liabilities [member]
Tax Social Security Labor And Civil [Member]
Provisions For Environmental Liabilities And Asset Decommissioning [Member]
Other Payable [Member]
Total Liabilities [Member]
Fourth Program [Member]
Fourth Programs [Member]
Fifth Program [Member]
Posco Holding Inc [Member]
China Steel Corporation [Member]
Treasury Share [Member]
Transnordestina Logistica [Member]
Ita Energetica [Member]
Products and services [axis]
Land [member]
Buildings [member]
Types of investment property [axis]
Classes of property, plant and equipment [axis]
Machinery [member]
Fixtures and fittings [member]
Construction in progress [member]
Right Of Use [Member]
Other property, plant and equipment [member]
Classes of intangible assets other than goodwill [axis]
Goodwill [member]
Customer-related intangible assets [member]
Computer software [member]
Trademarks And Patents [Member]
Licences [member]
Other intangible assets [member]
Individual assets or cash-generating units [axis]
Packaging [Member]
Long Steel [Member]
Trademark [Member]
Mining [Member]
Cements [Member]
Road Logistics [Member]
Services [Member]
Cash-generating units [axis]
Packaging Operations [Member]
Long Steel Operations [Member]
Mining Operations [Member]
Cement Operations [Member]
C B S I [Member]
T L S A [Member]
Range [axis]
Bottom of range [member]
Top of range [member]
Borrowings by name [axis]
Types of risks [axis]
Floating Rates [Member]
Fixed Rates [Member]
Fixed Interest In E U R [Member]
Debt Agreements In Brazil [Member]
Floating Rate Securities [Member]
Prepayment [Member]
Bonds Perpetual Bonds A C C And Facility [Member]
B N D E S F I N A M E F I N E P Debentures N C E Facility And C C B [Member]
Type Of Functional Currency [Axis]
Foreign Currency [Member]
National Currency [Member]
Later Than Five Years And Not Later Than Nine Years [Member]
Later Than Nine Years [Member]
Categories of financial assets [axis]
Financial Instruments At Fair Value Through Profit Or Loss Category [Member]
Fair Value Through Profit Or Loss [Member]
Financial Instruments At Amortised Cost Category [Member]
Levels of fair value hierarchy [axis]
Level 1 of fair value hierarchy [member]
Level 2 of fair value hierarchy [member]
Cash And Cash Equivalents Overseas [Member]
Currency risk [member]
Financial Investments [Member]
Gross [Member]
Derivative Financial Instruments [Member]
Probability of default [axis]
Probable Scenario [Member]
Scenario I [Member]
Scenario I I [Member]
Classes of financial instruments [axis]
Other Instruments [Member]
Variable Interest Rate [Axis]
C D I [Member]
Interest rate risk [member]
T J L P [Member]
I P C A [Member]
S O F R 6 M [Member]
S O F R [Member]
E U R I B O R 3 M [Member]
E U R I B O R 6 M [Member]
Settled Date 1 [Member]
Settled Date 2 [Member]
Settled Date 3 [Member]
Settled Date 4 [Member]
Settled Date 5 [Member]
Settled Date 6 [Member]
Settled Date 7 [Member]
Types of hedges [axis]
Movement [Member]
Realization [Member]
Hedging instruments [axis]
Bonds And Export Prepayments In U S To Third Parties [Member]
Cash flow hedges [member]
Bond One [Member]
Advance On Foreign Exchange Contract [Member]
Bonds And Export Prepayments In U S To Third Parties One [Member]
Bond Two [Member]
Advance On Foreign Exchange Contract One [Member]
Export Prepayments In U S With Third Parties A C C And Bonds [Member]
Advance On Foreign Exchange Contract Two [Member]
Export Prepayments In U S To Third Parties [Member]
Export Prepayments In U S To Third Parties One [Member]
Export Prepayments In U S To Third Parties Two [Member]
C S N Cimentos [Member]
Income Tax And Social Contribution On Cash Flow Hedge Accounting [Member]
Later than two years and not later than five years [member]
Leases [Member]
Derivatives [member]
Trade Payables Forfaiting [Member]
Dividends And Interest On Capital [Member]
Concessions To Be Paid [Member]
Fixed Rate Notes [Member]
Liquidity risk [member]
Exchange Rate Swap Dollar X Real C S N Cimentos Brasil [Member]
Exchange Rate Swap C D I Dollar One [Member]
Dollar X Real Swap C S N Cimentos Brasil [Member]
Exchange Rate Swap Dollar X Real C S N [Member]
Exchange Rate Swap C D I X Dollar C S N [Member]
Exchange Rate Swap Dollar X C D I Grupo Estrela [Member]
Total Swap [Member]
Interest Rate Debentures C D I I P C A [Member]
Interest Rate Debentures C D I I P C A One [Member]
Interest Rate Debentures C D I I P C A Two [Member]
Total Interest Rate Debentures C D I I P C A [Member]
Iron Ore Derivative [Member]
Exchange Rate Swap Cdi Dollar [Member]
Exchange Rate Swap C D I I P C A [Member]
Exchange Dollar Real Swap [Member]
Classes of share capital [axis]
U S I M 3 [Member]
U S I M 5 [Member]
Total U S I M Shares [Member]
Extreme Optimistic Scenario [Member]
Extreme Pessimistic Scenario [Member]
Capital Management [Member]
Cargo Terminal T E C O N [Member]
Railway Operation [Member]
Steel Segment [Member]
Operational Facilities [Member]
Contract Term One [Member]
Contract Term Two [Member]
Contract Term Three [Member]
Contract Term Four [Member]
Later than one year and not later than five years [member]
Later Than One Month Not Later Than Six Months [Member]
Forfaiting [Member]
Not Forfaiting [Member]
Later Than Six Months Not Later Than One Year [Member]
Later than one year [member]
Classes of liabilities [axis]
Iron Ore [Member]
Others Liabilities [Member]
Types of contracts [axis]
Contract By Subsidiaries [Member]
Contract By Subsidiaries 1 [Member]
Contract By Subsidiaries 2 [Member]
Contract By Subsidiaries 3 [Member]
Contract By Subsidiaries 4 [Member]
Contract By Subsidiaries 5 [Member]
Agreements By Subsidiaries [Member]
Agreements By Subsidiaries 1 [Member]
Agreements By Subsidiaries 2 [Member]
Agreements By Subsidiaries 3 [Member]
Agreements By Subsidiaries 4 [Member]
Agreements By Subsidiaries 5 [Member]
Payables To Related Parties [Member]
Dividends And Interest On Capital Payable [Member]
Liabilities From Business Combination [Member]
Taxes In Installments [Member]
Profit Sharing Employees [Member]
Taxes Payable [Member]
Provision From Consumption And Services [Member]
Concessions Payable [Member]
Other Payables [Member]
Income Tax And Social Contribution [Axis]
Equity In Results Of Affiliated Companies [Member]
Effect Of Differentiated Rates And Tax Exempt Profits In Investments [Member]
Transfer Pricing Adjustment And Profits Abroad [Member]
Income Tax And Social Contribution On Foreign Profit [Member]
Indebtdness Limit [Member]
Tax Incentives [Member]
Interest On Equity [Member]
Recognition Reversal Of Tax Credits [Member]
Reversal For Deferred Income Tax And Social Contribution Credit [Member]
Other Permanent Deductions Additions [Member]
Deferred Tax Asset Liability [Axis]
Deferred Income Tax Losses [Member]
Deferred Social Contribution Tax Losses [Member]
Temporary Differences [Member]
Tax Social Security Labor Civil And Environmental Risks [Member]
Estimated Losses On Assets [Member]
Gains Losses On Financial Assets [Member]
Actuarial Liability Pension And Healthcare Plan [Member]
Provision For Consumption And Services [Member]
Cash Flow Hedge Accounting [Member]
Gain Loss Of Control In Transnordestina [Member]
Fair Value S W T C B L Acquisition [Member]
Business Combination [Member]
Unrealized Results Transactions Between Related Parties [Member]
Losses Estimated Reversal For Deferred Income Tax And Social Contribution Credits [Member]
Federal Refis Law [Member]
Federal Refis Law 1 [Member]
Other Taxes In Installments [Member]
Tax [Member]
Social Security [Member]
Labor [Member]
Civil [Member]
Environmental [Member]
Deposit Of A Guarantee [Member]
Classes of other provisions [axis]
Main Legal Matter 1 [Member]
Main Legal Matter 2 [Member]
Main Legal Matter 3 [Member]
Main Legal Matter 4 [Member]
Main Legal Matter 5 [Member]
Main Legal Matter 6 [Member]
Main Legal Matter 7 [Member]
Main Legal Matter 8 [Member]
Main Legal Matter 9 [Member]
Main Legal Matter 10 [Member]
Main Legal Matter 11 [Member]
Main Legal Matter 12 [Member]
Main Legal Matter 13 [Member]
Main Legal Matter 14 [Member]
Main Legal Matter 15 [Member]
Main Legal Matter 16 [Member]
Main Legal Matter 17 [Member]
Main Legal Matter 18 [Member]
Main Legal Matter 19 [Member]
Main Legal Matter 20 [Member]
Main Legal Matter 21 [Member]
Main Legal Matter 22 [Member]
Main Legal Matter 23 [Member]
Main Legal Matter 24 [Member]
Main Legal Matter 25 [Member]
Main Legal Matter 26 [Member]
Main Legal Matter 27 [Member]
Main Legal Matter 28 [Member]
Main Legal Matter 29 [Member]
Main Legal Matter 30 [Member]
Main Legal Matter 31 [Member]
Environmental Liabilities [Member]
Asset Retirement Obligations [Member]
Other related parties [member]
Total for all related parties [member]
Investments Receivables [Member]
Subsidiaries And Associates [Member]
Joint Ventures Joint Operation [Member]
Dividends Receivables [Member]
Loans Receivables [Member]
Other Receivables [Member]
Actuarial Liabilities [Member]
Accounts Payables [Member]
Provision For Consumption [Member]
Local Currency [Member]
Continuing involvement in derecognised financial assets by type of instrument [axis]
Guarantees [member]
Controladas Do Grupo [Member]
C S N Resources [Member]
Lusosider Acos Planos [Member]
Legal Entity [Axis]
C F L Ana Participacoes S A [Member]
Vicunha Acos S A [Member]
Rio Laco Participacoes S A [Member]
Avelina Participacoes S. A. [Member]
Nyse Adrs [Member]
Other Shareholders [Member]
Outstanding Shares [Member]
Markets of customers [axis]
Domestic Market [Member]
Foreign Market [Member]
Expenses By Nature [Axis]
Raw Materials And Inputs [Member]
Outsourcing Material [Member]
Labor Cost [Member]
Supplies [Member]
Maintenance Cost Services And Materials [Member]
Outsourcing Services [Member]
Freights [Member]
Depreciation Amortization And Depletion [Member]
Others One [Member]
Expense By Nature [Axis]
Minerios Nacional [Member]
C S N [Member]
Steel [Member]
Logistics Port [Member]
Railroads [Member]
Road Transport [Member]
Energy [Member]
Cement [Member]
Corporate Expenses Elimination [Member]
Foreign [Member]
Country Of Asia [Member]
Country Of North America [Member]
Country Of Latin America [Member]
Country Of Europe [Member]
Country Of Others [Member]
Defined benefit plans [axis]
Average Salary Supplementation Plan [Member]
Mixed Supplementary Benefit Plan [Member]
Benefits Of Pension Plans [Member]
Post Employment Healthcare Benefits [Member]
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member]
Net defined benefit liability (asset) [axis]
Millennium Plan [Member]
Plan [Member]
Supplementation [Member]
Maua Prev [Member]
Other Plans [Member]
Plan Covering Thirty Five Percent Of The Average Salary [Member]
Plan A C T Maua Prev [Member]
Defined Benefit Plan By Plan Assets Categories [Axis]
Variable Income [Member]
Fixed Income [Member]
Real Estates [Member]
Others Plan Assets [Member]
Possible Actuarial Assumption [Axis]
Possible Increase In Actuarial Assumption [Member]
Actuarial assumptions [axis]
Actuarial assumption of discount rates [member]
Possible Decrease In Actuarial Assumption [Member]
Actuarial assumption of expected rates of salary increases [member]
Actuarial assumption of expected rates of pension increases [member]
Actuarial assumption of mortality rates [member]
Participants [Axis]
Male [Member]
Female [Member]
Healthcare Plan [Member]
Actuarial Assumption Of Medical Inflation [Member]
Actuarial Assumption Of Mortality Table [Member]
Transportation Of Iron Ore Coal Coke Steel Products Cement And Mining Products [Member]
Supply Of Power Natural Gas Oxygen Nitrogen Argon And Iron Ore Pellets [Member]
Processing Of Slag Generated During Pig Iron And Steel Production [Member]
Oil Storage And Handling [Member]
Labor And Consultancy Services [Member]
Non-adjusting events after reporting period [axis]
Nonadjusting Event [Member]
Entity Addresses [Table]
Entity Addresses [Line Items]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Contact Personnel Name
Contact Personnel Email Address
ICFR Auditor Attestation Flag
Document Financial Statement Error Correction [Flag]
Auditor Name
Auditor Location
Auditor Firm ID
Statement of financial position [abstract]
ASSETS
Current
Cash and cash equivalents
Financial investments
Trade receivables
Inventories
Recoverable taxes
Other assets
Total current assets
Non-Current
Long-term assets
Financial investments
Deferred taxes
Inventories
Recoverable taxes
Other assets
Total long-term assets
Investments
Property, plant and equipment
Intangible assets
Total non-current assets
TOTAL ASSETS
LIABILITIES AND SHAREHOLDERS' EQUITY
Current
Borrowings and financing
Payroll and related taxes
Trade payables
Taxes payables
Provision for tax, social security, labor and civil risks
Dividends and interest on equity payable
Advances from customers
Trade payables – Forfaiting
Other payables
Total current liabilities
Non-Current
Borrowings and financing
Advances from customers
Deferred taxes
Provision for tax, social security, labor and civil risks
Pension and healthcare plan
Provisions for environmental liabilities and decommissioning
Other payables
Total non-current liabilities
Shareholders’ equity
Paid-in capital
Capital reserves
Earnings reserves
Legal reserve
Net loss
Other comprehensive income
Total shareholders' equity of controlling shareholders
Non-controlling interests
Total shareholders' equity
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY
Profit or loss [abstract]
Net revenue from sales
Costs from sale of goods and services rendered
Gross profit
Operating (expenses)/income
Selling expenses
General and administrative expenses
Equity earnings of affiliated companies
Other operating income
Other operating expenses
Profit before financial income (expenses)
Financial income
Financial expenses
Profit/(loss) before income taxes
Income tax and social contribution
Net income/(loss)
Attributable to:
Earnings/(loss) attributable to the controlling interests
Earnings attributable to the non-controlling interests
Earnings/(loss) basic per share
Earnings/(loss) diluted per share
Net income/(loss)
Other comprehensive income
Items that will not be subsequently reclassified to the statement of income
Actuarial gains on defined benefit plan from investments in subsidiaries
Actuarial gains on defined benefit pension plan
Total Items that will not be subsequently reclassified to the statement of income
Items that could be subsequently reclassified to the statement of income
Cumulative translation adjustments for the year
(Loss)/gain cash flow hedge accounting, net of taxes
Cash flow hedge reclassified to income upon realization, net of taxes
(Loss)/gain cash flow hedge accounting–“Platts”from investments in subsidiaries, net of taxes
Total Items that could be subsequently reclassified to the statement of income
Comprehensive income/(loss) for the year
Attributable to:
Earnings/(loss) attributable to the controlling interests
Earnings attributable to the non-controlling interests
Total
Statement of cash flows [abstract]
Net income/(loss) for the year
Adjustments to reconcile net income (loss) to net cash provided by operations
Financial charges in borrowing and financing raised
Financial charges in borrowing and financing granted
Charges on lease liabilities
Equity earnings of affiliated companies
Deferred taxes
Provision for tax, social security, labor, civil and environmental risks
Exchange, Monetary and Cash Flow Hedge
Write-off of property, plant and equipment right of use and Intangible assets
Provision for environmental liabilities and decommissioning of assets
Updated shares – Fair value through profit or loss
Depreciation, amortization and depletion
Accrued/(reversal) for consumption and services
Net gain from sale of equity interest
Dividends USIMINAS
Other provisions
Total Adjustments to reconcile net income/(loss) to net cash provide by operation
Changes in assets and liabilities
Trade receivables - third parties
Trade receivables - related party
Inventories
Dividends and receivables - related parties
Recoverable taxes
Judicial deposits
Receipt of RFFSA receivables
Receipt of RFFSA bond credit
Trade payables
Trade payables – Forfaiting
Payroll and related taxes
Taxes payables
Payables to related parties
Advance of customers of mineral and energy contracts
Interest paid
Receipts/(Payments) from hedging operations, cash flow and derivatives
Other
Increase (Decrease) in assets and liabilities
Net cash generated by operating activities
Investments / AFAC / Acquisitions of Shares
Purchase of property, plant and equipment, intangible assets and investment property
Intercompany loans granted
Intercompany loans received
Financial Investments, net of redemption
Receipt of sale of equity interest
Cash received from the acquisition of Gramperfil
Gramperfil investment acquisition
Cash received from the acquisition of Grupo Estrela
Acquisition of investments of Grupo Estrela
Cash received in the acquisition of Galvacolor
Galvacolor investment acquisition
Acquisition of investments of Global Dot
Sale of equity assets
Net cash (used in) investment activities
Borrowings and financing raised
Transactions cost - Borrowings and financing
Amortization of borrowings and financing
Amortization of leases
Dividends and interest on shareholder’s equity
Share repurchase
Advance iron ore payments
Amortization advance iron ore payments
Net cash (used in) generated by financing activities
Exchange rate changes on cash and cash equivalents of foreign subsidiaries
Increase (decrease) in cash and cash equivalents
Cash and equivalents at the beginning of the year
Cash and equivalents at the end of the year
Statement of changes in equity [table]
IfrsStatementLineItems [Line Items]
Beginning balance
Net loss
Actuarial gains/(losses) over pension plan of subsidiaries, net of taxes
Cumulative translation adjustments for the year
(Loss)/gain cash flow hedge accounting, net of taxes
Cash flow hedge reclassified to income upon realization, net of taxes
(Loss)/gain cash flow hedge accounting–“Platts”from investments in subsidiaries, net of taxes
Gain on the percentage change in investments
Dividends approved of subsidiary
Interest on equity approved of subsidiary
(Loss)/gain on the percentage change in investments
Intermediary dividends approved on 05/09/2024
Intermediary dividends approved on 09/30/2024
(Loss) / gain on business combination
Additional dividends approved on 04/30/2023
Intermediary dividends approved on 11/14/2024
Interest on equity approved on 12/27/2024
Interest on equity
Absorption of the loss of the year
Constitution of subsidiaries in foreign operations
Acquisition of stakes in subsidiaries
Gains on the sale of a subsidiary interest, net
Reflex treasury shares acquired by controlled
Treasury shares canceled
Ending balance
Pay vs Performance Disclosure [Table]
Executive Category [Axis]
Individual [Axis]
Adjustment to Compensation [Axis]
Measure [Axis]
Pay vs Performance Disclosure, Table
Company Selected Measure Name
Named Executive Officers, Footnote
Peer Group Issuers, Footnote
Changed Peer Group, Footnote
PEO Total Compensation Amount
PEO Actually Paid Compensation Amount
Adjustment To PEO Compensation, Footnote
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Adjustment to Non-PEO NEO Compensation Footnote
Equity Valuation Assumption Difference, Footnote
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Company Selected Measure
Total Shareholder Return Vs Peer Group
Compensation Actually Paid vs. Other Measure
Tabular List, Table
Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Net Income (Loss)
Company Selected Measure Amount
Other Performance Measure, Amount
Adjustment to Compensation, Amount
PEO Name
Name
Non-GAAP Measure Description
Additional 402(v) Disclosure
Pension Benefits Adjustments, Footnote
Erroneously Awarded Compensation Recovery [Table]
Restatement Determination Date [Axis]
Restatement Determination Date
Aggregate Erroneous Compensation Amount
Erroneous Compensation Analysis
Stock Price or TSR Estimation Method
Outstanding Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Not Yet Determined
Name
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery, Explanation of Impracticability
Name
Compensation Amount
Restatement does not require Recovery
Awards Close in Time to MNPI Disclosures [Table]
Award Type [Axis]
Award Timing MNPI Disclosure
Award Timing Method
Award Timing Predetermined
Award Timing MNPI Considered
Award Timing, How MNPI Considered
MNPI Disclosure Timed for Compensation Value
Awards Close in Time to MNPI Disclosures, Table
Name
Underlying Securities
Exercise Price
Fair Value as of Grant Date
Underlying Security Market Price Change
Trading Arrangements, by Individual [Table]
Trading Arrangement [Axis]
Material Terms of Trading Arrangement
Name
Title
Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted
Adoption Date
Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated
Termination Date
Expiration Date
Arrangement Duration
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Not Adopted
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Cybersecurity Risk Management Processes Integrated [Flag]
Cybersecurity Risk Management Processes Integrated [Text Block]
Cybersecurity Risk Management Third Party Engaged [Flag]
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]
Cybersecurity Risk Board of Directors Oversight [Text Block]
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cybersecurity Risk Role of Management [Text Block]
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]
Material Cybersecurity Incident [Abstract]
Material Cybersecurity Incident Nature [Text Block]
Material Cybersecurity Incident Scope [Text Block]
Material Cybersecurity Incident Timing [Text Block]
Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block]
Material Cybersecurity Incident Information Not Available or Undetermined [Text Block]
Description Of Business
DESCRIPTION OF BUSINESS
Summary Of Significant Accounting Policies
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Disclosure of contingent liabilities in business combination [abstract]
BUSINESS COMBINATION
Notes and other explanatory information [abstract]
CASH AND CASH EQUIVALENTS
Financial Investments
FINANCIAL INVESTMENTS
Trade Receivables
TRADE RECEIVABLES
INVENTORIES
Recoverable Taxes
RECOVERABLE TAXES
OTHER CURRENT AND NON-CURRENT ASSETS
Basis Of Consolidation And Investments
BASIS OF CONSOLIDATION AND INVESTMENTS
PROPERTY, PLANT AND EQUIPMENT
INTANGIBLE ASSETS
Impairment
IMPAIRMENT
BORROWINGS AND FINANCING
FINANCIAL INSTRUMENTS
Lease Liabilities
LEASE LIABILITIES
Trade Payables
TRADE PAYABLES
Advances From Customers
ADVANCES FROM CUSTOMERS
OTHER PAYABLES (CURRENT AND NON-CURRENT)
Income Tax And Social Contribution
INCOME TAX AND SOCIAL CONTRIBUTION
Taxes In Installments
TAXES IN INSTALLMENTS
Provisions For Tax Social Security Labor Civil And Environmental Risks And Judicial Deposits
PROVISIONS FOR TAX, SOCIAL SECURITY, LABOR, CIVIL AND ENVIRONMENTAL RISKS AND JUDICIAL DEPOSITS
Provision For Environmental Liabilities And Asset Retirement Obligations
PROVISION FOR ENVIRONMENTAL LIABILITIES AND ASSET RETIREMENT OBLIGATIONS
RELATED-PARTY BALANCES AND TRANSACTIONS
EQUITY
Shareholders Compensation
SHAREHOLDER’S COMPENSATION
NET REVENUE FROM SALES
EXPENSES BY NATURE
OTHER OPERATING (EXPENSES)/INCOME
FINANCIAL INCOME/(EXPENSE)
SEGMENT INFORMATION
Employee Benefits
EMPLOYEE BENEFITS
COMMITMENTS
INSURANCE
Additional Cash Flow Information
ADDITIONAL CASH FLOW INFORMATION
SUBSEQUENT EVENTS
Declaration of Conformity
Basis of Presentation
Functional Currency and Presentation Currency
Material Accounting Policies
Adoption of New Requirements, Standards, Amendments, Orientations and Interpretations
Disclosure of detailed information about business combination [table]
Schedule of consideration transferred
Schedule of fair value of assets acquired and liabilities assumed
Schedule of loans and financing assumed
Schedule of maturities
Schedule of provisions and contingent liabilities assumed
Schedule of goodwill on acquisition
Schedule of revenue and results
Schedule of general information acquisitions
Schedule of fair value of assets acquired and liabilities assumed
Schedule of cash and cash equivalents
Schedule of financial investments
Schedule of trade receivables
Schedule of gross accounts receivable from third party customers
Schedule of changes in expected credit losses
Schedule of inventories
Schedule of changes in expected losses on inventories
Schedule of recoverable taxes
Schedule of other current and non-current assets
Schedule of consolidated entities information
Schedule of changes in investments in joint ventures, joint operations, associates and other investments
Schedule of equity in results
Schedule of net equity
Schedule of share repurchase programs of subsidiary CSN Mineracao
Schedule of secondary distribution of shares
Schedule of shareholding composition
Schedule of joint ventures and joint operations financial information
Schedule of investment properties
Schedule of average estimated useful lives
Schedule of property plant and equipment
Schedule of average estimated useful lives
Schedule of the right of use
Schedule of intangible assets
Schedule of goodwill impairment test
Schedule of average estimated useful lives
Schedule of impairment test of goodwill and other assets
Schedule of impairment test
Schedule of recoverability test
Schedule of investment impairment test
Schedule of borrowings and financing
Schedule of reconciliation of the book value
Schedule of amortized borrowings and financing
Schedule of maturities of borrowings and financing
Schedule of financial instruments
Schedule of fair value hierarchy
Schedule of net exposure
Schedule of sensitivity analysis
Schedule of effects on scenarios 1 and 2
Schedule of changes in interest rates
Schedule of effects on profit and loss
Schedule of derivative instrument
Schedule of changes in cash flow hedge accounting
Schedule of relations of hedge
Schedule of hedge accounting movements
Schedule of liquidity risk
Schedule of fair values of assets and liabilities
Schedule of position of the derivatives
Schedule of balance sheet and statement of income
Schedule of stock market price risks
Schedule of sensitivity analysis for stock price risks
Schedule of capital management
Schedule of lease liabilities
Schedule of average rates
Schedule of reconciliation of lease liabilities
Schedule of expected minimum payments
Schedule of recoverable PIS and COFINS
Schedule of measurement of the lease liability
Schedule of trade payables
Schedule of trade payable forfeiting
Schedule of trade payable payment terms
Schedule of trade payable impact of variations
Schedule of contract liabilities
Schedule of contract liability advances from subsidiaries
Schedule of other payables
Schedule of income tax and social contribution income expense
Schedule of reconciliation of the Company's income tax and social contribution expenses
Schedule of deferred income tax and social contribution
Schedule of estimated recovery of deferred tax assets
Schedule of changes in deferred tax and social contribution
Schedule of income tax and social contribution recognized in equity
Schedule of taxes in installments
Schedule of accrued amounts and judicial deposits
Schedule of changes in the provision for tax, social security, labor, civil and environmental risks
Schedule of legal matters with possible risk of loss
Schedule of provisions for environmental liabilities and asset retirement obligation
Schedule of transactions with subsidiaries, jointly controlled entities, associates, exclusive funds and other related parties
Schedule of key management personnel
Schedule of guarantees
Schedule of ownership structure
Schedule of earning per share
Schedule of net sales revenue
Schedule of expenses by nature
Schedule of depreciation amortization and depletion
Schedule of other operating income and expenses
Schedule of financial income expenses
Schedule of consolidated results
Schedule of actuarial employee benefit asset and liabilities
Schedule of reconciliation of employee benefits' assets and liabilities
Schedule of defined benefit obligation
Schedule of changes in fair value of the plan
Schedule of employee benefits recognized income statement
Schedule of actuarial gains and losses
Schedule of breakdown of actuarial gains and losses
Schedule of actuarial assumptions used
Schedule of average expectancy
Schedule of allocation defined benefit assets
Schedule of sensitive analysis
Schedule of forecast benefit payments defined benefit plans
Schedule of post employment health care plan amounts
Schedule of reconciliation of the healthcare liabilities
Schedule of actuarial gains and losses recognized in equity
Schedule of weighted average life
Schedule of actuarial assumptions used for calculating postemployment healthcare benefits
Schedule of quantitative sensitivity analysis for significant assumptions
Schedule of forecast benefit payments of the postemployment healthcare plans
Schedule of take-or-pay contracts
Schedule of additional information related to statement of cash flows
Disclosure of transactions between related parties [table]
Exchange rates
Revenue from minimum limit
Transaction value
Fair value of acquired assets:
Current Assets
Cash and cash equivalents
Trade receivables
Inventories
Recoverable taxes
Other assets
Non-Current Asset
Deferred taxes
Other assets
Property, plant and equipment (1)
Intangible assets (2)
Total assets acquired
Fair value of assumed liabilities:
Current Liabilities
Trade payables
Borrowings and financing (3)
Payroll and related taxes
Lease liabilities (4)
Other payables
Non-current Liabilities
Borrowings and financing (3)
Lease liabilities (4)
Provisions for tax, social security, labor civil, environmental risk (5)
Deferred taxes (6)
Other payables
Total liabilities assumed
Total of Identifiable Net Assets at Fair Value
70% ownership by the Parent Company
Current Liabilities
Non-current Liabilities
Foreign Debt
Local Debt
Total Borrowings and Financing, current
Total Borrowings and Financing, noncurrent
Total Borrowings and Financing
Borrowings
Tax
Labor
Civil
Total provisions and contingent liabilities
Total acquisition price
Fair value of net assets
Goodwill (1)
Revenue
Profit and loss
Acquisition date
Percentage acquired of the share capital
Consideration transferred
Fair Value of Acquired Assets:
Cash and cash equivalents
Non-current Assets
Property, plant and equipment
Intangible assets
Fair Value of Assumed Liabilities:
Borrowings and financing
Taxes payable
Acquisition interest
Carried amount
Carried amount paid
Payments for remaining balance
Share capital
Fair value measurement
Disclosure of disaggregation of revenue from contracts with customers [table]
Cash and banks
Total short-term investments
Disclosure of financial assets [table]
Current
Non-current
Trade receivable, before estimated losses on doubtful debts
Estimated losses on doubtful debts
Trade receivable, after estimated losses on doubtful debts
Trade receivables
Gross trade receivable
Opening balance
(Loss)/Reversal estimated
Recovery and write-offs of receivables
Acquisition of stakes in subsidiaries
Closing balance
Financial expense
Disclosure of fair value measurement of assets [table]
Inventory gross
Current
Non-current
Inventoy, net
Opening balance
Reversal/(Provision for losses) on inventories with low turnover and obsolescence
Closing balance
Total recoverable taxes
Current
Non-current
Other non-current assets
Other current assets
Other current assets
Other non-current assets
Disclosure of subsidiaries [table]
Equity interests
Core business
Disclosure of joint operations [table]
Investments
Equity Income
Comprehensive income
Capital increase
Dividends
Others
Transfers
Write-offs
Equity interests
Investment Property
Total investments in the asset
Disclosure of associates [table]
Equity in results of affiliated companies
Other adjustments Reclassification
Other adjustments others
Equity in results
Net equity
Boards authorization
Authorized quantity
Program period
Repurchase average buyback price
Minimum buyback price
Maximum buyback price
Number bought back shares
Cancelation of shares
Treasury balance
Number of shares sold
Share price
Cash received
Number of shares sold
Equity cost of the share
Write-off of investment
Gain in operation
Number of stakeholders shares
Percentage of shareholdings
Advances to suppliers
Total current assets
Investments, PP&E and intangible assets
Total non-current assets
Total Assets
Borrowings and financing, current
Lease liabilities, current
Other current liabilities
Total current liabilities
Borrowings and financing, non current
Lease liabilities, non current
Other non-current liabilities
Total non-current liabilities
Shareholders' equity
Total liabilities and shareholders' equity
Net revenue
Cost of sales and services
Gross profit
Operating (expenses) income
Financial income (expenses), net
Profit/(Loss) before IR/CSLL
Current and deferred IR/CSLL
Profit / (loss) for the period
Balance at December 31, 2024
Cost
Accumulated depreciation
Depreciation
Transfer between groups - Fixed Assets and Investment Property
Write-off
Acquisitions
Balance at December 31, 2025
Disclosure of detailed information about investment property [table]
Average estimated useful lives
Stake percentage
Cancellation of shares description
Capital reserve
Interest in subsidiary
Additional interest
Transaction value
Investment amount
Gain operating revenues
Profit reserve amount
Profit reserve per share
Dividends reserve amount
Dividends per share
Payment of interest on equity
Payment of interest on equity per share
Sale of common shares
Sale of common stock price per share
Sale of common shares value
Investment property
Disclosure of detailed information about property, plant and equipment [table]
Property plant and equipment, beginning balance
Cost
Accumulated depreciation
Effect of foreign exchange differences
Acquisitions
Capitalized interest
Write-offs
Depreciation
Transfers to other asset categories
Transfer between groups - intangible assets, investment property and inventory (1)
Right of use - Remeasurement
Others
Acquisition of stakes in subsidiaries
Property plant and equipment, ending balance
Right of use, beginning balance
Cost
Accumulated depreciation
Effect of foreign exchange differences
Addition
Remeasurement
Depreciation
Write-offs
Acquisition of stakes in subsidiaries
Right of use, ending balance
Disclosure of detailed information about intangible assets [table]
Intangible assets, beginning balance
Cost
Accumulated amortization
Effect of foreign exchange differences
Acquisitions
Transfer between groups - fixed assets
Write-offs
Amortization
Transfers to other asset categories
Others
Acquisition of stakes in subsidiaries
Intangible assets, endning balance
Cash generating unity
Average useful lives
Disclosure of information for cash-generating units [table]
Book value
Cash Flow Period
Gross Margin
Cost updating
Perpetuity growth rate
Discount rate, in real terms
Measurement of recoverable value
Projected price range R$ / t
Sensitivity of key assumptions
Test result
Book value
Cost estimate
Range of prices projected for rail transport
Provisional goodwill
Provisional goodwill amount
Disclosure of detailed information about borrowings [table]
Borrowings and financing, current
Borrowings and financing, noncurrent
Transaction costs and issue premiums, current
Transaction costs and issue premiums, noncurrent
Borrowings and financing and transaction costs, noncurrent
Opening balance
New debts
Repayment
Payments of charges
Accrued charges
Acquisition of stakes in subsidiaries
Iron ore prepayment (1)
Amortization of iron ore prepayments (1)
Other (2)
Closing balance
Maturities
Interest payment
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [table]
TypeOfFunctionalCurrencyAxis [Axis]
Maturities of loans, financing and debentures
Assets
Financial investments
Trade receivables
Dividends and interest on equity
Derivative financial instruments
Receivables - Usiminas Shares
Other receivables
Trading securities
Loans - related parties
Total
Non-current
Financial investments
Receivables - Usiminas Shares
Other trade receivables
Eletrobrás compulsory loan
Receivables by indemnity
Loans - related parties
Total
Total Assets
Liabilities
Borrowings and financing
Lease liabilities
Trade payables
Trade payables - Forfaiting
Dividends and interest on capital
Derivative transactions
Concessions to be paid
Total
Non-current
Borrowings and financing
Lease liabilities
Trade payables
Derivative transactions
Concessions to be paid
Total
Total Liabilities
Financial investments
Trade receivables, net
Derivative transactions
Total Assets
Derivative financial instruments
Total Liabilities
Net foreign exchange exposure
Disclosure of risk management strategy related to hedge accounting [table]
Exchange rate
Disclosure of detailed information about financial instruments [table]
Notional amount
Risk
Impact on profit or loss
VariableInterestRateAxis [Axis]
Interest rate (in percent)
Interest
Assets
Liabilities
Other income and expenses
Impact on financial income/(expenses)
Asset position
Liability position
Amounts receivable (payable)
Other comprehensive income
Disclosure of detailed information about hedges [table]
Cash flow hedge accounting - Platts
Income tax and social contribution on cash flow hedge accounting
Fair Value of cash flow accounting - Platts, net
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [table]
Designation date
Hedging instrument
Hedged item
Type of hedged risk
Hedged period
Exchange rate on designation
Designated amounts
Amortized part
Effect on Result
Impact on Shareholders' equity
Fair value, net of taxes, beginning
Movement
Realization
Fair value, net of taxes, ending
Disclosure of financial liabilities [table]
Contractual maturities
Closing Balance
Fair value
Maturity
Functional Currency
Financial income (expenses), net
Appreciation asset position
Appreciation liability position
Fair value market amoount receivable / payable
Liabilities current
Total
Other comprehensive income
Financial income (expenses), net
Assets, current
Assets, total
Liabilities non-current
Quantity (in shares)
Equity interest (%)
Share price
Closing Balance
Fair value adjustment recognized in profit or loss
Shareholder's equity (equity)
Borrowings and Financing (Third-party capital)
Gross Debit/Shareholder's equity
Amortized cost
Net investment
Derivative type
Borrowings
Leases
Adjusted present value - Leases
Total Leases
Current
Non-current
Average increment rate
Opening balance
New leases
Contract review
Write-off
Payments
Interest appropriated
Acquisition of stakes in subsidiaries
Exchange variation
Net balance
Leases
Adjusted present value - Leases
Total lease liabilities
Leases
Adjusted present value - Leases
Potencial PIS and COFINS credit
Adjusted present value – Potential PIS and COFINS credit
Contract less than 12 months
Lower Assets value
Variable lease payments
Total
Lease agreement remaining term
Trade payables
(-) Adjustment present value
Trade payable, net
Current
Non-current
Trade payables
Exchange variation
Interest Appropriation
Total
Disclosure of fair value measurement of liabilities [table]
Contract liabilities
Current
Non-current
Transaction date
Amount
Volume
Term
Other payables, current
Other payables, noncurrent
Total other current payables
Total other non current payables
Income tax and social contribution income (expense)
Current
Deferred
Global Minimum taxation - Pillar 2
Total
IfrsStatementTable [Table]
IncomeTaxAndSocialContributionAxis [Axis]
Profit before income tax and social contribution
Tax rate
Income tax and social contribution at combined statutory rate
Adjustment to reflect the effective rate
Income tax and social contribution in net income for the year
Effective tax rate
DeferredTaxAssetLiabilityAxis [Axis]
Total deferred
Other
Total deferred assets
Total Deferred Liabilities
Deferred Asset
Net Deferred Asset
Net Deferred Asset
Deferred taxes, beginning
Recognized in profit and loss
Recognized in equity
Use of tax credit in installment program
Reverse incorporation
Deferred taxes, ending
Actuarial gains on defined benefit pension plan
Exchange differences on translating foreign operations
Cash flow hedge accounting
Gain on sale of shares
Total
Unclassified consolidates taxes in installments
Current
Non-current
Accrued liabilities
Judicial deposits
Accrued liabilities current
Accrued liabilities non current
Judicial deposits non current
Accrued liabilities, beginning
Additions
Accrued charges
Acquisition of stakes in subsidiaries
Net utilization of reversal
Accrued liabilities, ending
Disclosure of other provisions [table]
Legal matters with possible risk of loss
Other legal proceedings
Labor proceedings
Civil proceedings
Tax proceedings
Environmental proceedings
Updated amount
Provision for environmental liabilities and decommissioning of assets
Current Assets
Non-current Assets
Assets
Current Liabilities
Non-current Liabilities
Liabilities
Sales
Cost and expenses
Interest
Exchange rate variations andmonetary, net
Financial investments
Dividends receivable
Other operating income and expenses
Profit Loss
Short-term benefits for employees and officers
Post-employment benefits
Total compensation of personnel
Disclosure of continuing involvement in derecognised financial assets [table]
Borrowings
Tax foreclosure
Others
Total
Loan amount
Average rate, description
Statement [Table]
Number of common shares
Percentage of total shares
Percentage of voting capital
Loss for the period
Weighted average number of shares
Basic loss per share
Diluted loss per share
Issued capital
Number of shares outstanding
Number of shares authorised
Capital reserve
Treasury shares acquired
Percentage of shares
Percentage of capital stock
Accumulated gain (loss)
Statutory reserve loss
Gross revenue
Sales returns, discounts and rebates
Taxes on sales
Deductions
Net revenue
ExpensesByNatureAxis [Axis]
Expense, net
Cost of sales
Selling expenses
General and administrative expenses
Total
ExpenseByNatureAxis [Axis]
Total
Other operational (1)
Net
Other operating income
Receivables by indemnity
Rentals and leases
Dividends receivable
Contractual fines
Tax recuperation
Updated shares – Fair value through profit or loss
Gain on sale of investments (2)
Other revenues
Total other operating income
Other operating expenses
Taxes and fees
Expenses with environmental liabilities, net
Net reversals/(expenses) on legal proceedings (1)
Depreciation of investment properties, idle equipment and amortization of intangible assets
Reversals/(Estimated write-offs or losses) in property, plant and equipment, intangible assets and investment properties, net of reversals
(Losses)/Estimated reversals in inventories
Idleness in stocks and paralyzed equipment
Studies and project engineering expenses
Healthcare plan expenses
Realized cash flow hedge
Pension plan expense
Other expenses
Total other operating expenses
Other operating income (expenses), net
Financial income
Related parties
Income from financial investments
Updated shares – Fair value through profit or loss
Dividends receivable
Interest and fines
Other income
Total financial income
Financial expenses
Borrowings and financing - foreign currency
Borrowings and financing - local currency
Capitalized interest
Updated shares – Fair value through profit or loss
Related parties
Lease liabilities
Interest and fines
Interest on forfaiting operations
(-) Adjusted present value of trade payables
Commission, bank fees, guarantee and bank fees
PIS/COFINS over financial income
Other financial expenses
Total financial expenses
Others financial items, net
Foreign exchange and monetary variation, net
Gains and (losses) on exchange derivatives (*)
Exchange rate fluctuations in iron ore
Total others financial items, net
Financial income (expenses)
(*) Statement of gains and (losses) on derivative transactions (note 15.c)
Exchange rate swap Real x Dollar
Exchange rate swap Dollar x Euro
Interest rate swap CDI x IPCA
Exchange rate swap CDI x Dollar
Total
Total
Cost of sales and services
General and administrative expenses
Other operating (income) expenses, net
Equity in results of affiliated companies
Operating result before Financial Income and Taxes
Increased capital
Disclosure of defined benefit plans [table]
Actuarial assets
Actuarial liabilities
Present value of defined benefit obligation
Fair value of plan assets
Deficit(Surplus)
Restriction to actuarial assets due to recovery limitation
Liabilities (Assets), net
Present value of obligations at the beginning of the year
Cost of service
Interest cost
Participant contributions made in the year
Benefits paid
Actuarial loss/(gain)
Present value of obligations at the end of the year
Fair value of plan assets at the beginning of the year
Interest income
Benefits Paid
Participant contributions made in the year
Employer contributions made in the year
Return on plan assets (less interest income)
Fair value of plan assets at the end of the year
Cost of current service
Expected return on plan assets
Interest on the asset ceiling effect
Total costs / (income), net
Actuarial losses and (gains)
Change in the asset’s limit (excluding interest income)
Total cost of actuarial losses and (gains)
Loss due to change in financial assumptions
Loss due to experience adjustments
Loss due to changes in assumptions
Return on plan assets (less interest income)
Disclosure of net defined benefit liability (asset) [table]
Actuarial financing method
Functional currency
Recognition of plan assets
Nominal discount rate
Inflation rate
Nominal salary increase rate
Nominal benefit increase rate
Rate of return on investments
General mortality table
Disability table
Disability mortality table
Turnover table
Retirement age
Household of active participants
Average life expectancy of employees (in years)
Average life expectancy in years of employees who are 65 (in years)
Average life expectancy of employees (in years)
Average life expectancy in years of employees who are 40 (in years)
DefinedBenefitPlanByPlanAssetsCategoriesAxis [Axis]
Allocation of plan assets
Plan assets percentage
Disclosure of sensitivity analysis for actuarial assumptions [table]
PossibleActuarialAssumptionAxis [Axis]
Sensitivity level
Effect on current service cost and on interest on actuarial obligations
Effect on present value of obligations
Sensitivity level, year
Year 1
Year 2
Year 3
Year 4
Year 5
Next 5 years
Defined benefit plan forecast future benefit payment
Present value of obligations
Liabilities
Actuarial liability at the beginning of the year
Expenses recognized in income for the year
Sponsor’s contributions transferred in prior year
Recognition of actuarial loss/(gain)
Actuarial liability at the end of the year
Acturial gain loss on obligation
Gain/(loss) recognized in shareholders' equity
ParticipantsAxis [Axis]
Average life expectancy of employees (in years)
Actuarial assumption of discount rate
Inflation
Real increase in medical costs based on age (Aging Factor)
Nominal increase medical costs growth rate
Average medical cost (Claim cost)
Effect on current service cost and on interest on actuarial obligations
Effect on present value of obligations
Total forecast payments
Number of shares held
Plan assets value
Actuarial assumption of expected rates of salary increases
Participants salary term
Description of investment policy
Supplementary benefit plan expense
Estimate of contributions expected to be paid to plan for next annual reporting period
Payments of contracts
Indemnity limit
Deductible material damages
Income tax and social contribution paid
Addition to PP&E with interest capitalization
Remeasurement and addition – Right of use
Addition to PP&E without adding cash
Capitalization / acquisition of subsidiary without cash effect
Sale of equity stake without cash impact
Net additional cash
Disclosure of non-adjusting events after reporting period [table]
Sale of important assets
Capital sale of important assets
Estimated total
TotalCurrentAssets
Non-current inventories
Non-current receivables from taxes other than income tax
Other non-current assets [Default Label]
LongtermReceivables
TradeAndOtherNoncurrentPayablesToRelatedParties
Deferred tax liabilities
Non-current provisions
Equity attributable to owners of parent
Cost of sales [Default Label]
Sales and marketing expense
Administrative expenses
MiscellaneousOtherOperatingIncomeExpense
Finance costs
IncomeTaxExpenseContinuingOperation
Other comprehensive income that will not be reclassified to profit or loss, net of tax
Other comprehensive income that will be reclassified to profit or loss, net of tax
Comprehensive income [Default Label]
AttributableToTotal
Share of profit (loss) of associates accounted for using equity method
Adjustments for deferred tax expense
NetGainFromSaleOfEquityInterest
DividendsOfUsiminas
IncreaseDecreaseInExistingProvisionsOtherProvision
Adjustments to reconcile profit (loss)
Adjustments for decrease (increase) in inventories
IncomeTaxesRefundClassifiedAsOperatingsActivities
Adjustments for increase (decrease) in trade accounts payable
TradePayablesDraweeRisk
Adjustments for increase (decrease) in employee benefit liabilities
AdjustmentsForIncreaseDecreaseInTaxesPayables
Interest paid, classified as operating activities
AdjustmentsForIncreaseDecreaseInAssetsAndLiabilities
Cash flows from (used in) operating activities
Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities
Purchase of property, plant and equipment, classified as investing activities
Cash advances and loans made to related parties
GramperfilInvestmentAcquisition
AcquisitionOfInvestmentsOfGrupoEstrela
GalvacolorInvestmentAcquisition
AcquisitionOfInvestmentsOfGlobalDot
Cash flows from (used in) investing activities
Borrowing costs incurred
AmortizationOfBorrowingsAndFinancing
AmortizationOfLeases
Dividends paid, classified as financing activities
ShareRepurchase
AmortizationAdvanceIronOrePayments
Cash flows from (used in) financing activities
Increase (decrease) in cash and cash equivalents after effect of exchange rate changes
Purchase of interests in investments accounted for using equity method
ReflexTreasurySharesAcquiredByControlled
Forgone Recovery, Individual Name
Outstanding Recovery, Individual Name
Awards Close in Time to MNPI Disclosures, Individual Name
Trading Arrangement, Individual Name
DisclosureOfFairValueOfAssetAcquiredAndLiabilitiesAssumedExplanatory
ScheduleOfEstimatedUsefulLivesTableTextBlock
ScheduleOfAverageUsefulLifeByNatureTableTextBlock
Cash and cash equivalents recognised as of acquisition date
TradeAndOtherRecieivablesRecognisedAsOfAcquisitionDate
Inventory recognised as of acquisition date
RecoverableTaxesAsOfAcquisitionDate
OtherAssetsAsOfAcquisitionDate
Deferred tax assets recognised as of acquisition date
NonCurrentOtherAssetsAsOfAcquisitionDate
Trade and other payables recognised as of acquisition date
PayrollAndRelatedTaxesAsOfAcquisitionDate
OtherPayablesAsOfAcquisitionDate
NoncurrentLeaseLiabilitiesAsOfAcquisitionDate
NoncurrentOtherPayablesAsOfAcquisitionDate
CashAndCashEquivalentRecognisedAsOfAcquisitionDate
FinancialInvestmentCurrent
AllowanceAccountForCreditLossesOfFinancialAsset
Trade receivables [Default Label]
InventoryNetOne
EquityInterests
IncreaseDecreaseThroughTransactionsWithOwnersShares
Depreciation, investment property
TransactionValue
PropertyPlantAndEquipmentsGross
PropertyPlantAndEquipmentAccumulatedDepreciation
Acquisitions through business combinations, property, plant and equipment
PropertyPlantAndEquipmentWriteoffs
OthersPropertyPlantAndEquipment
AcquisitionOfStakesInSubsidiariesPropertyPlantAndEquipment
Right-of-use assets
RightofuseAssetsGross
RightofuseAssetsAccumulatedDepreciation
Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities
Depreciation, right-of-use assets
WriteOffRightOfuseAssets
AcquisitionOfStakesInSubsidiariesToRightofuseAssets
IntangibleAssetsAndGoodwillGross
Writeoffs
Amortisation, intangible assets other than goodwill
AcquisitionOfStakesInSubsidiariesIntangibleAssets
Repayments of borrowings, classified as financing activities
Interest expense on borrowings
AcquisitionOfStakesInSubsidiariesBorrowings
CurrentFinancialInvestments
Current trade receivables
NonCurrentFinancialInvestments
NoncurrentReceivablesUsiminasShares
NonCurrentLoansRelatedParties
NoncurrentAsset
Assets1
CurrentBorrowingsAndFinancing
CurrentTradePayables
CurrentLiability
NonCurrentBorrowingsAndFinancing
NonCurrentTradePayables
NonCurrentDerivativeFinancialInstruments
NonCurrentConcessionsToBePaid
NoncurrentLiability
CurrentFinancialInvestment
CurrentDerivativeFinancialInstrument
Asset
CurrentDerivativeFinancialInstruments1
Liability
NetForeignExchangeExposure
OtherComprehensiveIncomes
FinancialInstrumentsDesignatedAsHedgingInstrumentAtFairValue
FinancialIncomeExpenseNet
Derivative financial liabilities
Other comprehensive income [Default Label]
Trading income (expense) on derivative financial instruments
SharePrice1
StockValue
LeaseLiabilitiesWriteoff
AcquisitionsOfStakeInSubsidiaries
LeaseLiabilityOne
LeaseLiabilitiesPresentValueAdjustmentsOne
ExpenseRelatingToPaymentsNotIncludedInMeasurementOfLeaseLiabilities
Trade payables [Default Label]
TradeAndOtherCurrentPayable
TradeAndOtherNonCurrentPayables
TradePayables
ExchangeVariation
TotalImpactOfVariations
Current contract liabilities
Non-current contract liabilities
Current tax expense (income)
TotalIncomeTaxExpenseContinuingOperations
OtherDeferredTax
Net deferred tax assets
Deferred tax expense (income) recognised in profit or loss
Current and deferred tax relating to items credited (charged) directly to equity
FederalRefisAndOtherTaxInstallmentPaymentPlansCurrent
FederalRefisAndOtherTaxInstallmentPaymentPlansNoncurrent
Deposits from banks
AccruedCharges
AcquisitionOfStakesInSubsidiaries
Liabilities [Default Label]
FinancialInterest
Gains (losses) on disposals of investments
BorrowingsRelatedParty
OthersGuarantees
TotalGuarantees
MiscellaneousOtherOperatingExpense1
Operating expense
Miscellaneous other operating expense
ReceivablesByIndemnity
DividendsReceived1
CapitalisedInterest
UpdatedSharesFairValueThroughProfitOrLossExpenses
FinancialIncomeExpenses1
General and administrative expense
EquityInResultsOfAffiliatedCompanies1
ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAssets
ReturnOnPlanAssetNetDefinedBenefitLiabilityAsset
AverageLifeExpectancyOfEmployeesThatAreFourty
LiabilitiesOfBenefitPlan
AverageLifeExpectancyOfEmployeesThatAreForty
EffectOnCurrentServiceCostAndOnInterestOnActuarialObligations1
EffectOnPresentValueOfObligations1