Entity Addresses, Address Type [Axis] Business Contact [Member] Components of equity [axis] Share capital Capital reserve Legal      reserve Expansion reserve Additional dividends/interest on capital proposed Tax incentive reserve Other comprehensive income Treasury shares Retained earnings Categories of related parties [axis] TIM Brasil Servicos E Participacoes S.A. [Member] I-Systems [Member] Classes of financial assets [axis] FUNCINE [Member] Fundo Soberano [Member] FIC Government Bonds [Member] FICCDB [Member] FIC Financial Bills [Member] FIC Other [Member] Classes of financial instruments [axis] Other Telephone Carriers [Member] Billed Services [Member] Unbilled Services [Member] Network Use [Member] Goods Sold [Member] Contract assets [member] Other Accounts Receivable [Member] Past due status [axis] Current [member] Not later than one month [member] Later than one month and not later than two months [member] Later than two months and not later than three months [member] Later than three months and not later than four months [member] Later Than Three Months And Not Greater Than Four Months [Member] Classes of assets [axis] Mobile Handsets And Tablets [Member] Accessories And Prepaid Cards [Member] TIM Chips [Member] Legal Entity [Axis] IRPJ [Member] CSLL [Member] Banco Do Nordeste [Member] Income Tax And Social Contribution [Member] ICMS [Member] PIS And COFINS [Member] IRRF Withholding Income Tax On Interest Earning Bank Deposits [Member] Recoverable ISS [Member] Other [Member] Judicial Deposits For Civil [Member] Judicial Deposits For Labor [Member] Judicial Deposits For Tax [Member] Judicial Deposits For Online Attachment [Member] Classes of other provisions [axis] Legal Discussions One [Member] Legal Discussions Two [Member] Legal Discussions Three [Member] Legal Discussions Four [Member] Legal Discussions Five [Member] Legal Discussions Six [Member] Categories of financial assets [axis] C 6 Bank Subscription Right [Member] G Fund [Member] Subscription Right [Member] Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis] E X A [Member] Advance To Employees [Member] Advances To Suppliers [Member] Amounts Receivable From T I M Brasil [Member] Amounts Receivable From Incentivized Projects [Member] Taxes And Labor Contributions To Offset [Member] Fistel Credits [Member] Other [Member] Total for all associates [member] Subsidiaries [axis] TIM S.A [Member] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Gross carrying amount [member] Classes of property, plant and equipment [axis] Switching Transmission Equipment [Member] Fiber Optic Cables [Member] Free Leased Handsets [Member] Network infrastructure [member] Informatics Assets [Member] General Use Assets [Member] Right Of Use In Leases [Member] Land [member] Construction in progress [member] Accumulated depreciation and amortisation [member] Total Property Plant And Equipment Net [Member] Classes of financial liabilities [axis] Lease Network 1 [Member] Lease Stores And Kiosks 1 [Member] Lease Land Network 1 [Member] Lease Fiber [Member] Right Of Use In Lease 1 [Member] Communication and network equipment [member] Range [axis] Bottom of range [member] Top of range [member] Leased Handsets [Member] Infrastructure [Member] Rightofuse Asset [Member] Classes of intangible assets and goodwill [axis] Licences [member] Authorizations [Member] Goodwill [member] Right To Use Infrastructure Of Lt Amazonas [Member] List Of Customers [Member] Other intangible assets [member] Intangible assets under development [member] Total Intangible Assets Net [Member] Righ To Use Infrastructure [Member] List Of Cozani S Customers [Member] Surplus On Cozani S Concession License [Member] Counterparties [axis] Acquisition Of Cozani [Member] Acquisitions Of T I M Fiber [Member] Acquisition Of Intelig [Member] Acquisition Of Minority Interests [Member] Cozani [Member] Telefonica Brasil S A [Member] T I M Fiber S P Ltda And T I M Fiber R J S A [Member] T I M Sul And T I M Nordeste [Member] Classes of intangible assets other than goodwill [axis] Licences and franchises [member] L T Amazonas [Member] Sublease Stores [Member] Maturity [axis] Nominal Value [Member] Sub Leases [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 And Not Later Than Six Years [Member] Later Than Six Years And Not Later Than Seven Years [Member] Present Value [Member] Sale Of Towers [Member] TIM Celular SA [Member] Other Finance Lease Liabilities [Member] Lease Network Infrastructure [Member] Lease Shops And Kiosks And Real Estate [Member] Leases Land Network [Member] Leases Fiber [Member] Subtotal I F R S 16 [Member] Sale And Leaseback Of Towers [Member] Leases Shops Kiosks And Real Estate [Member] Lease Land Network [Member] Products and services [axis] Suppliers [Member] Currency in which information is displayed [axis] Local Currency [Member] Trade Suppliers Related To Materials And Services 1 [Member] Trade Suppliers Related To Interconnection [Member] Trade Suppliers Related To Roaming [Member] Trade Suppliers Related To Co Billing [Member] Foreign Currency [Member] Trade Suppliers Related To Materials And Services [Member] Suppliers Paid [Member] Suppliers Un Paid [Member] State And Province In Brazil [Axis] Amapa Roraima Para Amazonasand Maranhao [Member] Riode Janeiroand Espirito Santo [Member] Acre Rondonia Mato Grosso Mato Grosso Do Sul Tocantins Distrito Federal Goias Rio Grande Do Sul [Member] Sao Paulo [Member] Parana Except Counties Of Londrina And Tamarana [Member] Santa Catarina [Member] Municipality And Region Of Pelotas In The State Of Rio Grande Do Sul [Member] Pernambuco [Member] Ceara [Member] Paraiba [Member] Rio Grandedo Norte [Member] Alagoas [Member] Piaui [Member] Minas Gerais [Member] Bahia And Sergipe [Member] KFW Finnvera [Member] Debentures [Member] BNDES [Member] BNB [Member] BNDES1 [Member] Imposto Sobre Circulacao De Mercadorias Servicos [Member] Agencia Nacionl De Telecomunicacoes Taxes And Fees [Member] Imposto Sobre Service [Member] PIS/COFINS [Member] JSCP [Member] Type Of Deffred Income [Axis] Prepaid Services [Member] Anticipated Revenue [Member] Deferred Revenue On Sale Of Towers [Member] Contractual Liabilities [Member] Accounting estimates [axis] Accounting Estimates Two Thousand Twenty Six [Member] Accounting Estimates Two Thousand Twenty Seven [Member] Provision For Civil And Regulatory [Member] Provision For Labor [Member] Provision For Tax [Member] Classes of contingent liabilities [axis] Consumer Lawsuits [Member] Civil Proceedings PROCON [Member] Civil Action [Member] Civil Proceedings Former Trade Partners [Member] Civil Proceedings Others [Member] Civil Proceedings Social Environmental And Infrastructure [Member] Anatel [Member] Labor And Social Security Lawsuits [Member] Social Security Lawsuits [Member] Federal Taxes 1 [Member] Federal Taxes 2 [Member] Federal Taxes 3 [Member] Federal Taxes 4 [Member] Federal Taxes 5 [Member] Federal Taxes 6 [Member] State Taxes [Member] Business combinations [axis] Regulatory Contingent Liability [Member] Civil Contingent Liability [Member] Board Of Directors [Member] Social Security [Member] Labor Contingent Liability 1 [Member] Federal Taxes Tim [Member] Federal Taxes Tim 1 [Member] Federal Taxes Tim 2 [Member] Federal Taxes Tim 3 [Member] Federal Taxes Tim 4 [Member] Federal Taxes Tim 5 [Member] Federal Taxes Tim 6 [Member] Federal Taxes Tim 7 [Member] Federal Taxes Tim 8 [Member] State Taxes Tim [Member] State Taxes Tim 1 [Member] State Taxes Tim 2 [Member] State Taxes Tim 3 [Member] State Taxes Tim 4 [Member] State Taxes Tim 5 [Member] State Taxes Tim 6 [Member] State Taxes Tim 7 [Member] State Taxes Tim 8 [Member] State Taxes Tim 9 [Member] Municipal Taxes Tim [Member] Municipal Taxes Tim 1 [Member] Municipal Taxes Tim 2 [Member] Municipal Taxes Tim 3 [Member] Regulatory Taxes TIM [Member] Categorized Of Taxation [Axis] Federal Taxes [Member] Municipal Taxes [Member] Tim SA Proceedings Purchase Price Allocation [Member] Provision For Labor And Social Security [Member] Civil Contingent Liability 1 [Member] Provision For Civil [Member] Civil Contingent Liability 2 [Member] Civil Contingent Liability 3 [Member] Civil Contingent Liability 4 [Member] Civil Contingent Liability 5 [Member] Other contingent liabilities [member] Fust Funttel And Ebc [Member] Dividend And Equity Interest [Member] Other equity interest [member] Other Equity Interest One [Member] Other Equity Interest Two [Member] Other Equity Interest Three [Member] Other Equity Interest Four [Member] Other Equity Interest Four One [Member] Other Equity Interest Four Two [Member] Other Equity Interest Four Three [Member] Other Equity Interest Five [Member] Other Equity Interest Six [Member] Other Equity Interest Seven [Member] Other Equity Interest Eight [Member] Other Equity Interest Nine [Member] Other Equity Interest Ten [Member] Other Equity Interest Eleven [Member] Ranges of exercise prices for outstanding share options [axis] Ranges Of Exercise Prices For Outstanding Share Options [Member] Ranges Of Exercise Prices For Outstanding Share Options 1 [Member] Ranges Of Exercise Prices For Outstanding Share Options 2 [Member] Ranges Of Exercise Prices For Outstanding Share Options 3 [Member] Performance Shares And Restricted Shares [Member] Ranges Of Exercise Prices For Outstanding Share Options 4 [Member] Expenses By Nature [Axis] Personnel [Member] Third Party Services [Member] Interconnection And Means Of Connection [Member] Depreciation And Amortization [Member] Taxes Fees And Contributions [Member] Rent And Reinsurance [Member] Cost Of Goods Sold [Member] Publicity And Advertising [Member] Expected Credit Losses Of Trade Accounts [Member] Others [Member] Loans And Financing [Member] Swap contract [member] Accounts Receivables [Member] Financial Assets [Member] Telecom Italia Sparkle [Member] Gruppo Havas [Member] T I Sparkle [Member] T I M Brasil [Member] Telecom Italia S P A [Member] Other related parties [member] Vivendi Group [Member] Grupo Havas [Member] T I M Brasil 1 [Member] Types of hedges [axis] Banco [Member] Levels of fair value hierarchy [axis] Level 1 of fair value hierarchy [member] Level 2 of fair value hierarchy [member] Derivative Financial Instruments [Member] Derivative Financial Instruments 1 [Member] Derivative Financial Instruments 2 [Member] Derivative Financial Instruments 3 [Member] Derivative Financial Instruments 4 [Member] Probability of default [axis] Probable Scenario [Member] Types of risks [axis] C D I Sensitivity Scenario [Member] Possible Scenario [Member] Remote Scenario [Member] Concentrations of risk [axis] I P C A Sensitivity Scenario [Member] Types of interest rates [axis] Interest Rate Of C D I [Member] Risk Of C D I [Member] Interest Rate Of I P C A [Member] Risk Of I P C A [Member] Lease liabilities [member] Derivative Financial Instruments Assets Liabilitie [Member] Defined benefit plans [axis] F U N C E S P Plans Healthcare Plans F I B E R Healthcare Plan P A M E C Asset Policy And Medical Plan [Member] P B S [Member] P B S Assisted [Member] Administration Agreement [Member] P A M E C Asset Policy [Member] A E S Telecom [Member] Medical Plan [Member] P B S 1 [Member] Expenditure Planned For 2022 [Member] P B S Assisted 1 [Member] Administration Agreement 1 [Member] P A M E C Asset Policy 1 [Member] A E S Telecom 1 [Member] Medical Plans [Member] Assets and liabilities [axis] Operating Risks [Member] General Civil Liability R C G [Member] Cyber Risks [Member] Environmental Risks [Member] Automobile Executives And Operational Fleets [Member] V 8 Consulting S A [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 ICFR Auditor Attestation Flag Document Financial Statement Error Correction Flag Auditor Firm ID Auditor Name Auditor Location Statement of financial position [abstract] Assets Current assets Cash and cash equivalents Marketable securities Trade accounts receivable Inventories Recoverable income tax and social contribution Recoverable taxes, fees and contributions Prepaid expenses Derivative financial instruments Leases Other assets Non-current assets Marketable securities Trade accounts receivable Recoverable income tax and social contribution Recoverable taxes, fees and contributions Deferred income tax and social contribution Judicial deposits Prepaid expenses Derivative financial instruments Leases Other financial assets Other assets Investment Property, plant and equipment Intangible assets Total liabilities and shareholders' equity Total liabilities Current liabilities Suppliers Loans and financing Lease liabilities Derivative financial instruments Payroll and related charges Income tax and social contribution payable Taxes, fees and contributions payable Dividends and interest on shareholders' equity payable Authorizations payable Deferred revenues Other liabilities and provision Non-current liabilities Loans and financing Lease liabilities Income tax and social contribution payable Taxes, fees and contributions payable Provision for legal and administrative proceedings Pension plan and other post-employment benefits Authorizations payable Deferred revenues Obligations to shareholders Other liabilities and provision Shareholders' equity Share capital Capital reserves Profit reserves Other comprehensive income Treasury shares Profit or loss [abstract] Revenue Costs of services provided and goods sold Gross income Operating income (expenses): Selling expenses General and administrative expenses Share of loss of an associate Other income (expenses), net Total operating expenses Profit before financial income and expenses Financial income (expenses):    Financial income    Financial expenses    Foreign exchange variations, net Total financial income(expenses) Profit before income tax and social contribution Income tax and social contribution Net income Earnings per share attributable to the Company’s shareholders (expressed in R$ per share) Basic earnings per share Diluted earnings per share Net income Other components of the comprehensive income Item that will not be reclassified to profit or loss in subsequent periods:   Pension plans and other post-employment benefits   Deferred taxes Total comprehensive income for the year Statement of changes in equity [abstract] Statement of changes in equity [table] IfrsStatementLineItems [Line Items] Balances on January 01, 2023 Total comprehensive income for the year       Net income Post-employment benefit amount recorded in shareholders' equity Total comprehensive income for the year Total contribution from shareholders and distribution to shareholders        Long-term incentive plan         Change in share value on grant date x fair value       Lapsed fractional shares (Note 25.b)        Purchase of treasury shares, net of disposals       Cancellation of treasury shares (Note 25.e)        Transfer of shares - long-term incentive plan         Interest on capital (Note 26)       Dividends    Allocation of net income:          Legal reserve (Note 26)         Dividends (Note 25.d)         Interest on capital (Note 25.d)         Tax benefit reserve (note 25)         Additional dividends/interest on capital distributed (Note 25.d)         Distribution (allocation) to expansion reserve (Note 26)    Unclaimed dividends (Note 26) Total contribution from shareholders and distribution to shareholders Total contribution from shareholders and distribution to shareholders         Tax incentive reserve (Note 26)       Purchase of treasury shares, net of disposals         Dividends/additional interest on capital proposed (Note 26) Ending balance, value Statement of cash flows [abstract] Operating activities Profit before income tax and social contribution  Adjustments to reconcile income to net cash generated by operating activities: Depreciation and amortization Share of loss of an associate Residual value of written-off property, plant and equipment and intangible written off Interest on asset retirement obligation Provision for legal and administrative proceedings Inflation adjustment on judicial deposits and legal and administrative proceedings Interest, monetary and exchange rate variations on loans and other financing Finance income from marketable securities Interest on lease liabilities Interest income on lease receivable Gain from the acquisition of Cozani Provision for expected credit losses Income from operations with other derivatives Long-term incentive plans  Total adjustments to reconcile income with net cash from operations Reduction (increase) in working capital assets Trade accounts receivable Recoverable taxes, fees and contributions Inventories Prepaid expenses Judicial deposits Other assets Increase (decrease) in working capital liabilities Payroll and related charges Suppliers Taxes, fees and contributions payable Authorizations payable Payments for legal and administrative proceedings   Deferred revenues Other liabilities Cash generated by operations Income tax and social contribution paid Net cash from operating activities Investment activities Proceeds from the sale of marketable securities Purchases of marketable securities Capital contribution to 5G Fund Consideration for the acquisition of Cozani, net of cash acquired Additions to property, plant and equipment and intangible assets Cash received from C6 Bank Other Net cash used in investment activities Financing activities Proceeds from loans and financing Amortization of loans and financing Interest paid on loans and financing Payment of lease liability Interest paid on lease liabilities Cash received from reverse stock split and stock split operations Payments for reverse stock split and stock split operations Lease incentives received Derivative financial instruments Purchase of treasury shares, net of disposals Dividends and interest on capital paid Net cash used in financing activities Increase in cash and cash equivalents Cash and cash equivalents at the beginning of the year Cash and cash equivalents at the end of the year 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 Management Expertise of Management 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] Operations Operations Managements Statement And Basis Of Preparation And Presentation Of Financial Statements Management’s statement and basis of preparation and presentation of financial statements Notes and other explanatory information [abstract] Estimates and areas where judgment is significant in the application of the Company's accounting policies Cash and cash equivalents Marketable Securities Marketable securities Trade Accounts Receivable Trade accounts receivable Inventories Income Tax And Social Contribution Income tax and social contribution Recoverable Taxes Fees And Contributions Recoverable taxes, fees and contributions Prepaid Expenses Prepaid expenses Judicial Deposits Judicial deposits Other Financial Assets Other financial assets Other assets Investment Investment Property, plant and equipment Intangible Assets Intangible assets Leases Leases Suppliers Authorizations Payable Authorizations payable Loans and financing Taxes Fees And Contributions Payable Taxes, fees and contributions payable Deferred revenues Provision For Legal And Administrative Proceedings Provision for legal and administrative proceedings Obligations To Shareholders Obligations to shareholders Shareholders' equity Long-term Incentive Plan Long-term incentive plan Revenue Revenue Operating costs and expenses Other Income Expenses Net Other income (expenses), net Financial income Financial expenses Foreign Exchange Variations Net Foreign exchange variations, net Earnings per share Balances And Transactions With Related Parties Balances and transactions with related parties Management remuneration Financial Instruments And Risk Management Financial instruments and risk management Pension plan and other post-employment benefits Insurances Supplementary Information To Statements Of Cash Flows Supplementary information to the statements of cash flows Subsequent events Provision for legal and tax administrative proceedings Fair value of derivatives and other financial instruments Unbilled revenues Leases Schedule of cash and cash equivalents Schedule of marketable securities Schedule of trade account receivables Schedule of changes in the allowance for doubtful accounts Schedule of aging of accounts receivable Schedule of inventory Schedule of recoverable income tax and social contribution Schedule of income tax and social contribution payable Schedule of deferred taxes assets and liabilities Schedule of income tax and social contribution Schedule of income tax and social contribution expenses reconciliation Schedule of taxes, fees and contributions to be recovered Schedule of prepaid expenses Schedule of detailed information about judicial deposits Schedule of other financial assets Schedule of other assets Schedule of summarized financial information Schedule of interest in associated Schedule of change of investment in associate Schedule of changes in property, plant and equipment Schedule of right of use in lease Schedule of depreciation rates Schedule of movement in intangible assets Schedule of amortization rates Schedule of goodwill registered Schedule of lease receivables Schedule of cash receipts Schedule of lease liabilities Schedule of other lease operations Schedule of supplier accounts payable Schedule of supplier paid Schedule of licenses payables Schedule of long-term is in accordance Schedule of authorization payable Schedule of appropriation of financial expenses Schedule of loans and financing Schedule of nominal value of the loans Schedule of fair value of loans Schedule of taxes fees and contributions payable Schedule of deferred revenue Schedule of contractual assets and liabilities Schedule of main changes during the fiscal year Schedule of balances of contractual assets and liabilities are expected to be realized Schedule of provision for judicial and administrative proceedings constituted Schedule of provision for judicial and administrative proceedings summarized Schedule of tax proceedings Schedule of judicial and administrative proceedings Schedule of civil regulatory Schedule of tax contingent liabilities Schedule of capital reserves Schedule of dividends and interest on shareholders equity Schedule of amounts allocated Schedule of stock option program Schedule of revenue Schedule of operating cost and expenses Schedule of other income (expenses), net Schedule of financial income Schedule of financial expenses Schedule of foreign exchange variations, net Schedule of basic earnings per share Schedule of diluted earnings per share Schedule of consolidated balances and transactions Schedule of key management personnel for the provision Schedule of derivative financial instruments Schedule of financial instruments measured at fair value Schedule of financial risk Schedule of sensitivity analysis of derivative financial instruments Schedule of risk variable of derivative financial instruments Schedule of chart of gains and losses with derivatives Schedule of capital management Schedule of changes in financial liabilities Schedule of asset policy and medical plan Schedule of liabilities and assets related to retirement and health care plans Schedule of changes in net actuarial liabilities (assets) Schedule of reconciliation of present value of obligations Schedule of reconciliation of fair value of assets Schedule of expenses planned Schedule of actuarial assumptions Schedule of insurance Schedule of supplementary information to the cash flow Disclosure of transactions between related parties [table] Proportion of ownership interest in subsidiary   Cash and banks   Unrestrictedly available financial investments:      CDB Total cash and cash equivalents Return rate on cash and cash equivalent Disclosure of financial assets [table] Marketable securities Current portion Non-current portion Disclosure of detailed information about financial instruments [table] Trade accounts receivable Other accounts receivable Provision for expected credit losses Current portion Non-current portion Opening balance Supplement to expected losses, net of reversal Write-offs of provision            Closing balance Disclosure of provision matrix [table] Total Average rate Disclosure of fair value measurement of assets [table] Total inventories Inventories gross Losses on adjustment to realizable amount Recoverable income tax and social contribution Income tax Social contribution Current portion Non-current portion Statement [Table] Income tax and social contribution payable Income tax Social contribution Current portion Non-current portion Tax loss carryforwards and negative basis of social contribution Provision for legal and administrative proceedings Provision for expected credit losses Taxes with suspended enforceability Derivative financial instruments Capitalized interest - 4G and 5G Adjustments related to IFRS 16 Accelerated depreciation (iii) Fair value adjustment systems Impairment loss (v) Amortized goodwill cozani Other assets Other liabilities Total deferred taxes - Assets Deferred tax asset Deferred tax liability Current income tax and social contribution taxes Income tax for the year Social contribution for the year Tax incentive – SUDENE/SUDAM(i) Current income tax Deferred income tax and social contribution Deferred income tax Deferred social contribution Total deferred income tax Provision for contingencies of income tax and social contribution Total deferred Total Deferred Income tax and social contribution Combined tax rate Combined tax rate on income tax and social contribution (Additions) / exclusions: Equity in earnings Permanent additions, exclusions:     Non-taxable revenues     Non-deductible expenses Tax incentive – SUDENE/SUDAM(i) Tax benefit related to interest on capital allocated Other amounts Income before income tax Income tax and social contribution expense Effective rate Income tax and social contribution Recognition inflation adjustment amounts Deferred income tax and social contribution Recognizing deferred taxes on tax losses Other federal tax Tax incentives Tax loss Over payment amount Social contribution, percent Tax rate effect of expense not deductible in determining taxable profit (tax loss) Credit used amount Recoverable direct taxes, charges and contributions Current portion Non-current portion Prepaid expenses Advertisements not released (i) Rentals and insurance Incremental costs for obtaining contracts with customers (ii) Contractual prepaid expenses (iii) Other Current portion Non-current portion Legal deposits Court deposit Non-current other financial assets Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [table] Investment fund Commitment to boosting the development Acquisition percentage Acquisition consideration amount Acquisition fair value amount Other assets Current portion Non-current portion Assets related to investment Current and noncurrent assets related to investment Tangible and intangible assets related to investment Liability and shareholders equity Current and non current liabilities related to investments Shareholders' equity Company proportional interest Adjustment to fair value Investment cost Fair value of investment Net loss for the year Net loss company's proportional interest percentage Company's interest in the associated company's income (loss) Number of shares in entity held by entity or by its subsidiaries or associates Interest in total capital Issue of equity Profit (loss) Equity in earnings Investment property Beginning balance of investment Equity in earnings Ending balance of investment Percentage of interest Disclosure of reconciliation of changes in goodwill [table] Balance beginning Additions / depreciation Write-offs Transfers Balance end Disclosure of financial liabilities [table] Additions Remeasurement Depreciation Disclosure of detailed information about property, plant and equipment [table] Depreciation rates Intangible assets, beginning balance Additions/(Amortization) Write-offs Transfers Intangible assets, ending balance Disclosure of reconciliation of changes in intangible assets and goodwill [table] Amortization rates Disclosure of offsetting of financial assets [table] Goodwill registered Total consideration paid Identifiable assets net of liabilities assumed Goodwill Acquisition of goodwill Description of closing of the transaction Acquisition of Lot 2 Subsidiary purchased Lot 2 Total auction amount Intangible asset Disbursements costs Licenses period Intangible assets Finance lease receivables Current portion Non-current portion Cash receipts from lease Financial lease liability subtotal leases Total Current portion Non-current portion Finance lease receivables Finance lease receivables interest rate Sublease revenue Interest paid Contract cancellation penalties Finance lease liabilities interest rate Maximum number of towers owned Owned amount of telecommunications towers Sales Deferred revenue Average incremental rate Rental expense Disclosure of disaggregation of revenue from contracts with customers [table] Current portion Total suppliers Trade and other payables Renewal of authorizations(i) Updated ANATEL liability(ii) Authorizations payable(iii) Total Current portion Non-current portion 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] Long term payable Disclosure of subsidiaries [table] 800 MHz, 900 MHz and 1,800 MHz Additional frequencies 1,800 MHz 1,900 MHz and 2,100 MHz (3G) 2,500 MHz V1 Band (4G) 700 MHz (4G) 3.5 GHz (5G) 26 GHz (5G) 2.3 GHz (5G) 2,500 MHz (P Band (4G) Currency Charges Maturity Total Current Non-current Nominal value of loan and financing Nominal value of loan Borrowings Taxes, fees and contributions payable Current portion Non-current portion Total value of obligation Principal amount of obligation Interest on arrears Interest on equity IfrsStatementTable [Table] TypeOfDeffredIncomeAxis [Axis] Deferred revenues Current portion Non-current portion Contractual assets Contractual liability Balance beginning Additions Write-offs Balance ending Disclosure of changes in accounting estimates [table] Contractual assets (liabilities) Disclosure of other provisions [table] Provision for legal and administrative proceedings Beginning balance Additions, net of reversals Payments Inflation adjustment Ending balance CategorizedOfTaxationAxis [Axis] Tax proceeding Estimated financial effect of contingent liabilities Disclosure of contingent liabilities in business combination [table] Total Total Provision amount Current accrued expenses and other current liabilities Inflation adjustments Number of labour claims Percentage of provision Provision amounts Provision amounts Revenue from rendering of telecommunication services Claims and legal proccedings for goods receipts and shipments Gratuitous loan Credits related to tax replacement operations Restated amounts Subscription fees Provision on charge of special credit amounts Allocating acquisition price Nominal amount Description of additional commitment Payment of social security contributions Tax adjustment amount Estimated value Discount offered Employee benefits Acquisition of electricity Estimated financial effect of contingent liabilities Reverse stock split Disposal common shares Net costs and fees Common share Payment for auction Shareholders amount Interest on capital payable Capital reserve Special Reserve of goodwill Long-term incentive plan Other capital reserves (-) Non-distributable tax incentives (-) Constitution of legal reserve Adjusted net profit Minimum dividends calculated on the basis of 25% of adjusted profit Distribution based on adjusted profit for the year:  Interest on capital  Dividends Total dividends and interest on capital proposed and distributed   Withholding income tax (IRRF) on interest on capital Total dividends and net interest on capital Distribution based on retained earnings Proposed and distributed interest on capital Interim/additional dividends Total dividends (including additional dividends) and net Interest on capital (i) Approval date Payment date Interest on shareholders equity Interest on shareholders equity Number of share issued Number of shares authorised Accumulated amount of benefits Mandatory dividend percentage Distribution costs Additional amounts Dividends Distributed profit Expansion reserve Additional dividend Additional distributed profit Additional expansion reserve Disbursed amount Dividend amount Controlling and non controlling shareholders Controlling and non controlling debenture per share Dividend payables Interest Unpaid return on equity Interest on capital Interest on capital net Total common shares Percentage of corresponding rate Repurchase of treasury shares Repurchase of treasury shares Allocated treasury shares Cancellation treasury shares Treasury shares Treasury total Disclosure of number and weighted average remaining contractual life of outstanding share options [table] Date of grant of share-based payment arrangement Shares granted Maturity date Grant Price Balance at the beginning of the year Granted during the year Transferred during the year, volume vested Transferred during the year, performance change Transferred during the year, Additional dividends Subtotal of shares transferred Paid in cash, volume vested Paid in cash, performance change Paid in cash, Additional dividends Subtotal of shares paid in cash Canceled during the year Balance at the end of the year Post-employment benefit expense in profit or loss, defined benefit plans Cash repayments of advances and loans from related parties Share-based compensation, shares Repurchase of shares Gross revenue Service revenue Service revenue - Mobile Service revenue - Landline Goods sold Deductions from gross revenue Taxes levied Discounts granted Returns and other Revenue from services ExpensesByNatureAxis [Axis] Cost of services provided and products sold Marketing expenses Total Employee contributions Income    Income from grants    Fines on telecommunication services    Income from disposal of assets    Other income (i)  Total revenue Expenses FUST/FUNTTEL (ii) Taxes, fees and contributions Provision for legal and administrative proceedings, net of reversal Expenses on disposal of assets Other expenses  Total other income (expenses), net Other income (expenses), net Financial income Interest on investments Interest received from customers Swap interest (ii) Interest income on lease receivable Inflation adjustment (i) Other derivatives (iii) Other revenue Financial expenses Interest and inflation adjustment on loans and financing Interest on taxes and rates Swap interest Interest on lease liabilities, net of cancellations Inflation adjustment (i) Discounts granted Other derivatives (ii)   Other expenses Income Expenses Foreign exchange variations Weighted average number of common shares issued (thousands) Basic earnings per share Weighted average number of common shares issued (thousands) Diluted earnings per share Diluted earnings per share related to long term incentive plan Total assets Total liabilities Total revenue Total costs/expenses Investments by related parties Short-term benefits Share-based payments remuneration Total compensation Derivative transactions, Assets Derivative transactions, Liabilities Other derivatives, Assets Other derivatives, Liabilities Derivatives, Assets Derivatives, Liabilities Current portion, Assets Current portion, Liabilities Non-current portion, Assets Non-current portion, Liabilities Total assets Financial assets at fair value through profit or loss Derivative financial instruments Marketable securities Other financial assets Total liabilities Financial liabilities at fair value through profit or loss Derivative financial instruments Other derivatives Currency Type of SWAP Debt SWAP Total Debt Total swap (Long position) Coverage of percentage Long position Short position Disclosure of credit risk exposure [table] Fair value in USD, EUR, BRL and IPCA Accumulated variation in debt Fair value of the active tip of the swap Fair value of the passive tip of the swap Swap result Accumulated variation in swap Final result Interest rate variable risk Net income (loss) from derivative operations Income (loss) from operations with other derivatives Total loans and derivatives (Notes 20 and 36) Leases - Liabilities (Note 17) Leases - Assets (Note 17) Less: Cash and cash equivalents (Note 4)                 FIC (Note 5) Net debt Other derivatives (Note 36) Financing of 5G License Adjusted net debt EBITDA (i) (last 12 months) Leverage ratio Reconciliation, net profit for the year: Net financial income (loss) Income tax and social contribution Depreciation and amortization LAJIDA (EBITDA) (i) Beginning balance Inflow Cancellation Financial charges Net foreign exchange variations Payments of principal Payment of interest Ending balance Additions Disclosure of detailed information about hedges [table] Percentage of share capital Financial instrument measured at fair value Disclosure of defined benefit plans [table] Pension plans and other post-employment benefits Present value of the actuarial obligations Fair value of the assets of the plan Excess present value of obligations over fair value of assets Amount recognized in other comprehensive income Net actuarial liabilities/(assets) Net actuarial liabilities (assets) on beginning balance Expense (revenue) recognized in income (loss) Sponsor's contributions Recognized actuarial (gains) or losses Unrecognized actuarial (gains) or losses Net actuarial liabilities (assets) on ending balance Value of obligations on beginning balance Current service cost Interest on actuarial liability Benefits paid in the year Contributions paid by participants (Gains)/losses in obligations Value of obligations on ending balance Fair value of assets on beginning balance Benefits paid in the year Effective return on assets for the year Company's contributions / (returns) Actuarial gain (loss) on plan assets Fair value of assets on ending balance Current service cost (with interest) Interest on actuarial obligations Expected return on assets Interest on the effect of the (asset)/liability limit Total unrecognized net expense (revenue) Nominal discount rate for the actuarial obligation: Salary growth rate - nominal: Biometric general mortality table: Biometric table of new disability benefit vested: Expected turnover rate: Probability of retirement: Estimated long-term inflation rate Determination method Disclosure of assets and liabilities with significant risk of material adjustment [table] Amount of insured assets Description of insured assets Supplementary Information To Cash Flow Transactions not involving cash   Additions to property, plant and equipment and intangible assets - with no cash effect Increase in lease liabilities - no cash effect    C6 Bank bonus warrant Dividends/interest on capital approved but not paid Subscription bonds (Note 12) Acquisition percentage Share capital Earn-outs Earn-outs term Transaction amount Owns percentage Distribution of interest on shareholders equity OtherMember Assets Current assets Non-current assets NonCurrentMarketableSecurities Non-current trade receivables NonCurrentRecoverableIncomeTaxAndSocialContributions NonCurrentRecoverableTaxesFeesAndContributions Non-current prepayments Non-current finance lease receivables Other non-current financial assets Equity and liabilities Liabilities Current liabilities Current derivative financial liabilities Non-current liabilities LeaseLiabilitiesNonCurrent NonCurrentIncomeTaxAndSocialContributionPayable NonCurrentTaxesFeesAndContributionsPayable AuthorizationsPayableNoncurrent DeferredIncomeClassifiedAsNoncurrent Other non-current liabilities Equity Issued capital EquityValuationAdjustments Cost of sales Gross profit Selling expense Administrative expenses EquityInEarnings OperatingRevenuesExpenses Profit (loss) from operating activities Finance costs Finance income (cost) Tax expense (income) Other components of deferred tax expense (income) Comprehensive income ComprehensiveIncomes PurchaseOfTreasurySharesNetOfDisposals TotalContributionFromShareholdersAndDistributionToShareholder TotalContributionFromShareholdersAndDistributionToShareholders1 ProvisionForAdministrativeAndLegalProceedings FinanceIncomeFromMarketableSecurities InterestIncomeOnLeaseReceivable GainFromAcquisitionOfCozaniViaPriceAdjustment Adjustments to reconcile profit (loss) other than changes in working capital Adjustments for decrease (increase) in trade and other receivables RecoverableTaxesFeesAndContributions Adjustments for decrease (increase) in inventories Adjustments for decrease (increase) in prepaid expenses AdjustmentsForDecreaseIncreaseInJudicialDeposits Adjustments for decrease (increase) in other current assets AdjustmentsForIncreaseDecreaseInLaborObligations Adjustments for increase (decrease) in trade accounts payable TaxesFeesAndContributionsPayable AdjustmentsForIncreaseDecreaseInAuthorizationsPayable AdjustmentsForIncreaseDecreaseInPaymentOfLegalAndAdministrativeProceedings AdjustmentsForIncreaseDecreaseInDeferredIncome Cash flows from (used in) operations Income taxes paid (refund), classified as operating activities Cash flows from (used in) operating activities PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivitiesOne CapitalContributionFund ConsiderationForAcquisitionOfCozaniNetFromCash Purchase of property, plant and equipment, classified as investing activities Cash flows from (used in) investing activities AmortizationOfBorrowingsAndFinancing Interest paid, classified as financing activities Payments of lease liabilities, classified as financing activities InterestPaidOnLeaseLiabilities PaymentsForReverseStockSplitAndStockSplitOperations DerivativeFinancialInstruments Cash flows from (used in) financing activities Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name DisclosureOfCompanyOperationsExplanatory Disclosure of cash and cash equivalents [text block] DisclosureOfMarketableSecuritiesExplanatory DisclosureOfTradeAndOtherReceivableExplanatory Disclosure of inventories [text block] DisclosureOfTaxesFeesAndContributionsToBeRecoveredExplanatory DisclosureOfPrepaidExpensesExplanatory DisclosureOfNoncurrentJudicialDepositsExplanatory DisclosureOfFinancialAssetExplanatory Disclosure of other assets [text block] DisclosuresOfInterestsInAssociatesExplanatory Disclosure of property, plant and equipment [text block] DisclosureOfIntangibleAssetExplanatory DisclosureOfLeaseExplanatory Disclosure of trade and other payables [text block] DisclosureOfAuthorizationsPayableExplanatory Disclosure of borrowings [text block] DisclosureOfIndirectTaxesChargesAndContributionsPayableFeesExplanatory Disclosure of deferred income [text block] ProvisionForLegalAndAdministrativeProceedingsTextBlock Disclosure of performance obligations [text block] DisclosureOfNetRevenueExplanatory DisclosureOfOtherIncomeExpensesNetExplanatory Disclosure of employee benefits [text block] Description of accounting policy for leases [text block] MarketableSecuritiesNet Current financial assets Trade receivables ProvisionForExpectedCreditLosses AllowancesForProvisionDoubfulAccountsOnTradeReceivable Inventory write-down IncomeTaxAndSocialContributionRecoverable IncomeTaxAndSocialContributionRecoverableNoncurrent IncomeTaxAndSocialContributionPayable Current tax expense (income) and adjustments for current tax of prior periods DirectTaxesChargesAndContributionsPayableCurrent DirectTaxesChargesAndContributionsPayableNonCurrent DeferredTaxAssetTemporarilyDifferencesOfProvisionForLegalAndAdministrativeProceedings DeferredTaxAssetTemporarilyDifferencesOfProvisionForExpectedCreditLosses DeferredTaxAssetTemporarilyDifferencesOfDerivativeFinancialInstruments DeferredTaxAssetOther DeferredTaxOtherLiabilitiesBeforeUnrecognizedFutureTaxableIncome Tax effect of expense not deductible in determining taxable profit (tax loss) ReconciliationOfTaxIncentive EstimateofReceivableFromIncomeTaxAndSocialContribution OtherComponentOfDeferredTaxExpenseIncome DirectCurrentTaxAssetsCurrent DirectCurrentTaxAssetsNoncurrent Prepayments OthersPrepaidExpenses Other assets [Default Label] Other non-current assets ShareholdersEquityRelatedToInvestments EquityMethod Investments in subsidiaries, joint ventures and associates reported in separate financial statements NetOfCancellationPropertyPlantAndEquipment RemensurationPropertyPlantAndEquipment IntangibleAssetsWriteOffs Increase (decrease) through transfers and other changes, intangible assets and goodwill Intangible assets other than goodwill CurrentFinanceLeaseLiabilities NoncurrentFinanceLeaseLiabilities TotalAuthorizationsPayable Borrowings [Default Label] IndirectTaxesChargesAndContributionsPayable IndirectTaxesChargesAndContributionsPayableCurrent IndirectTaxesChargesAndContributionsPayableNonCurrent DeferredIncome1 DeferredIncomeClassifiedAsNonCurrent1 WriteOffsOfContractualAssetLiability LegalProceedingProvision Provision used, other provisions LegalProceedingsProvisionTaxes EstimatedFinancialEffectsOfContingentLiabilities LongtermIncentivePlanofshares1 TaxIncentivesNotToBeDistributed EquityInterestsOfAcquirers ExpansionReserve Sale or issue of treasury shares TreasuryShare StockProgramPerformanceSharesAndRestrictedShares Sales and marketing expense Operating expense OtherRevenuesNet FinancialExpensesaTotal1 Interest expense on bank loans and overdrafts InterestExpenseOnTaxesAndFees InterestOnSwap InterestExpenseOnFinanceLeases InterestExpenseOnMonetaryAdjustments InterestExpenseOnDiscountsGranted OtherDerivatives1 OtherExpense1 Net foreign exchange gain Net foreign exchange loss BasicEarningLossPerShare Weighted average number of ordinary shares used in calculating diluted earnings per share DilutedEarningLossPerShare Key management personnel compensation Financial assets, at fair value Derivative financial assets held for hedging FairValueOfMarketableSecurities Financial liabilities, at fair value Derivative financial liabilities held for hedging DerivativeFinancialInstrumentCurrencyBought RecognisedFinanceLeaseAsAssets Adjustments for finance income (cost) IncomeTaxExpenseContinuingOperation Depreciation and amortisation expense DerivativeFinancialAssetsLiabilitiesNet AdditionsDerivativeFinancialAssetsLiabilitiesNet LiabilityAssetOfDefinedBenefitPlans1 Assets (liabilities) of benefit plan Decrease (increase) in net defined benefit liability (asset) resulting from payments from plan FairValueOfAssetsOfDefinedBenefitPlans Percentage of voting equity interests acquired