Document and Entity Information [Abstract] Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position and Other Comprehensive Income, or other statement as need. Statement [Table] Line items represent financial concepts included in a table. IFRS Statement [Line Items] CONSOLIDATED STATEMENTS OF CASH FLOWS OPERATING EXPENSES Document Type Document Period End Date Entity Registrant Name Entity Central Index Key Amendment Flag Amendment Description Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Assets [abstract] ASSETS Current assets [abstract] Current Assets Cash and cash equivalents CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR Cash and cash equivalents Total cash and cash equivalents Current investments Total current investments Investments Current trade receivables Trade receivables Other current receivables Other receivables Current inventories Inventories Non-current assets or disposal groups classified as held for sale Assets classified as held for sale Current assets Total current assets Non-current assets [abstract] Non-Current Assets Non-current trade receivables Trade receivables Other non-current receivables Other receivables Deferred tax assets Deferred income tax assets The amount of non-current investments. Non-current Investments Total Non-current Investments Investments Goodwill. At the end of the period At the beginning of the year Goodwill Property, plant and equipment. At the end of the period At the beginning of the year PP&E Intangible assets other than goodwill At the end of the period At the beginning of the year Intangible assets Right-of-use assets At the end of the period At the beginning of the year Right of use assets Investment property Investment properties Non-current assets Total non-current assets Assets Assets TOTAL ASSETS Liabilities [abstract] LIABILITIES Current liabilities [abstract] Current Liabilities Current trade payables Trade payables Trade payables Current borrowings Borrowings Current portion of current borrowings The amount of current payables on salaries and social security. Current Payables on Salaries and Social Security Salaries and social security payables Salaries and social security payables Current tax liabilities, current At the end of the period At the beginning of the year Income tax liabilities The amount of current payables on taxes other than incomes tax. Current Payables On Taxes Other Than Income Tax Other taxes payables Other taxes payables Current dividend payables Dividends payables Current lease liabilities Leases liabilities Leases liabilities Other current liabilities Other liabilities Other current provisions Total current provisions At the beginning of the year Provisions Current liabilities Total current liabilities Non-current liabilities [abstract] Non-Current Liabilities Non-current trade payables Trade payables Non-current portion of non-current borrowings Borrowings Non-current portion of non-current borrowings The amount of non-current payables on salaries and social security. Non-current Payables on Salaries and Social Security Salaries and social security payables Net deferred tax liabilities Net deferred tax liabilities Deferred income tax liabilities The amount of non-current payables on taxes other than incomes tax. Non-current Payables On Taxes Other Than Income Tax Other taxes payables Non-current lease liabilities Leases liabilities Other non-current liabilities Other liabilities Other liabilities Other non-current provisions Provisions Total non-current provisions At the beginning of the year Provisions Non-current liabilities Total non-current liabilities Liabilities Liabilities TOTAL LIABILITIES Equity [abstract] EQUITY Equity attributable to owners of parent Equity attributable to Controlling Company Non-controlling interests Equity attributable to non-controlling interest Equity. Balances as of Balances as of TOTAL EQUITY (See Consolidated Statements of Changes in Equity) Equity and liabilities TOTAL LIABILITIES AND EQUITY CONSOLIDATED INCOME STATEMENTS Revenue from contracts with customers Revenues Sales revenues Employee benefits expense Employee benefit expenses and severance payments Communication expense Interconnection and transmission costs Interconnection costs and other telecommunication charges The amount of expenses for fees for services, maintenance, materials and supplies. Fees for Services, Maintenance, Materials and Supplies Expense Fees for services, maintenance, materials and supplies Tax expense other than income tax expense Taxes and fees with the Regulatory Authority The amount of expenses relating to commissions and advertising. Commissions and Advertising Expenses Commissions and advertising Cost of merchandise sold Cost of equipment and handsets The amount of expenses relating to programming and content telecasting. Programming and Content Costs Programming and content costs Impairment loss recognized in profit or loss, trade receivables Bad debt expenses Other operating income (expense) Other operating expenses, net Other operating expenses Depreciation, amortization and impairment loss (reversal of impairment loss) recognized in profit or loss Depreciation, amortization and impairment of Fixed and intangible assets Profit (loss) from operating activities Operating income (loss) Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method Losses from associates and joint ventures Losses from associates and joint ventures Finance costs Financial results from borrowings The amount of finance income (cost), net that the entity does not separately disclose in the same statement or note. Other Finance Income (Cost), Net Other financial results, net Total other financial results, net Profit (loss) before tax Income (loss) before income tax Income before income tax Tax expense (income), continuing operations Income tax benefit (expense) Income tax benefit (expense) Profit (loss) Net income (loss) for the period Net income (loss) for the period Profit (loss), attributable to [abstract] Attributable to: Profit (loss), attributable to owners of parent Controlling Company Profit (loss), attributable to non-controlling interests Non-controlling interest Basic and diluted earnings per share [abstract] Earnings (losses) per share for income attributable to the Controlling Company Basic earnings (loss) per share Basic earnings (losses) per share Diluted earnings (loss) per share Diluted earnings (losses) per share CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other comprehensive income [abstract] Other comprehensive income Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Items that may be reclassified to profit or loss The amount of other comprehensive income, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income Other Comprehensive Income Currency Translation Adjustments Currency translation adjustments (no effect on Income Tax) Other comprehensive income, before tax, cash flow hedges DFI effects classified as hedges Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax Gains of investment at fair value Income tax relating to cash flow hedges included in other comprehensive income Income Tax effects Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] Items that will not be reclassified to profit or loss Included in other comprehensive income Other comprehensive income (loss), net of tax Other comprehensive income (loss) Comprehensive income Total comprehensive income (loss) for the period Comprehensive income attributable to [abstract] Attributable to: Comprehensive income, attributable to owners of parent Controlling Company Comprehensive income, attributable to non-controlling interests Non-controlling interest CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Statement of changes in equity [table] Components of equity [axis] Components of equity [domain] Equity attributable to Controlling Company This member stands for capital nominal value relating to outstanding shares not issued. Outstanding shares, Capital nominal value [Member] Outstanding shares, Capital nominal value This member stands for inflation adjustment relating to outstanding shares. Outstanding shares, Inflation adjustment Outstanding shares, Inflation adjustment Contributed Surplus Contributed Surplus Legal reserve [Member] Legal This member stands for special reserve for IFRS implementation. Special reserve for IFRS implementation [Member] Special reserve for IFRS implementation This member stands for voluntary reserve for capital investments. Voluntary Reserve For Capital Investments [Member] Voluntary reserve for capital investments This member stands for Facultative reserve. Facultative [Member] Facultative Other comprehensive results Other comprehensive results Retained earnings Retained earnings Equity attributable to non-controlling interest [Member] Equity attributable to non-controlling interest Business combinations [axis] Business combinations [axis] Business combinations [domain] Represents the information pertaining to Naperville. NaperVille [Member] NaperVille Represents the information pertaining to Credipay. Credipay [Member] Credipay Statement of changes in equity [line items] CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY The adjustments to equity through effect of absorption of negative retained earning. Adjustment Relating to Effect of Absorption of Negative Retained Earning Absorption of negative Retained earnings Accumulated retained earnings The amount of dividends recognised as distributions to non-controlling interests. [Refer: Non-controlling interests] Dividend Recognised As Distributions To Non-controlling Interests Dividends to non-controlling shareholders Increase (decrease) through acquisition of subsidiary, equity Subsidiary acquisition The increase (decrease) in equity resulting from transactions with non-controlling interests. Increase (Decrease) Through Transactions With Noncontrolling Interests Transaction non-controlling interest Comprehensive income [abstract] Comprehensive income: CONSOLIDATED STATEMENTS OF CASH FLOWS Cash flows from (used in) operating activities [abstract] CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES Adjustments to reconcile profit (loss) [abstract] Adjustments to reconcile net income to net cash flows provided by operating activities Adjustments for allowances deducted from assets to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments for Allowances Deducted from Assets Allowances deducted from assets Adjustments for depreciation expense Depreciation of PP&E Adjustments for amortization expense Amortization of intangible assets Depreciation, right-of-use assets Amortization of the period Amortization of rights of use assets Depreciation, investment property Depreciation of Investment properties Adjustments for losses (gains) on disposal of non-current assets Disposals of Fixed and intangible assets Adjustment Share of profit (loss) of associates and joint ventures accounted for using equity method. Adjustment Share Of profit Loss Of Associates And Joint Ventures Accounted For Using Equity Method Earnings (losses) from associates and joint ventures Adjustments for financial results and others to reconcile profit (loss) to cash flow from (used in) operating activities. Adjustments for Financial Results and Others Financial results and others Adjustments for income tax expense Income tax expenses Income taxes paid, classified as operating activities Income tax paid No definition available. Change In Operating Assets and Liabilities, Net of Effects from Purchase of Controlled Entity [Abstract] Change in operating assets and liabilities, net of effects from purchase of controlled entity Adjustments for decrease (increase) in trade accounts receivable Increase Trade receivables Adjustments for decrease (increase) in other operating receivables Increase Other receivables Adjustments for decrease (increase) in inventories Decrease Inventories Adjustments for increase (decrease) in trade accounts payable Decrease Trade payables Adjustments for increase (decrease) in employee benefit liabilities (Decrease) / Increase Salaries and social security payables The amount represents the adjustments for changes in other taxes payable during the reporting period. Adjustments For Increase (Decrease) In Other Taxes Payable (Decrease) / Increase Other taxes payables The amount represents the adjustments for changes in taxes payable during the reporting period. Adjustments for Increase (Decrease) in Other liabilities and Provisions (Decrease) / Increase Other Liabilities and Provisions Cash flows from (used in) operating activities Total cash flows from operating activities Cash flows from (used in) investing activities [abstract] CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES Purchase of property, plant and equipment, classified as investing activities Payments for PP&E Purchase of intangible assets, classified as investing activities Payments for intangible asset acquisitions Amount of cash inflow from proceeds dividend from associates in investing activities. Proceeds Dividend From Associates Investing Activities Dividends received from associates The cash inflow from sales of property, plant and equipment and intangible assets, classified as investing activities. Proceeds from Sales of Property, Plant and Equipment and Intangible Assets Classified as Investing Activities Proceeds from the sale of PP&E and intangible assets Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Payments for acquisition of subsidiary, net of cash acquired Other cash payments to acquire interests in joint ventures, classified as investing activities Integration contributions in joint ventures Amount of cash inflow of compensation received from acquisition of companies. Proceeds from Acquisition of Companies Compensation received for acquisition of companies Cash receipts from futures contracts, forward contracts, option contracts and swap contracts, classified as investing activities Proceeds from DFI liquidations Proceeds from sales of investments other than investments accounted for using equity method Proceeds from sale of investments not considered as cash and cash equivalents Purchase of investments other than investments accounted for using equity method Payments for investments not considered as cash and cash equivalents Cash flows from (used in) investing activities Total cash flows used in investing activities Cash flows from (used in) financing activities [abstract] CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES Proceeds from borrowings, classified as financing activities Proceeds from borrowings Net proceeds Amount of repayments of bank overdrafts and borrowings classified as financing activities. Repayments Of Bank Overdrafts And Borrowings Classified As Financing Activities Payment of borrowings Repayments of bonds, notes and debentures Repurchase of Notes The cash outflow for derivative financial instruments, interests and related expenses. Payment Of Derivative Financial Instrument Interest and Related Expenses Payment of interests, DFI and related expenses Payments of lease liabilities, classified as financing activities Payments of leases liabilities Amount of cash outflow from payments for dividend to noncontributing interest in subsidiaries financing activities. Payments For Dividend Paid To Noncontributing Interest In Subsidiaries Dividends paid to non-controlling interests in subsidiaries Cash flows from (used in) financing activities Total cash flows from (used in) financing activities Increase (decrease) in cash and cash equivalents before effect of exchange rate changes NET DECREASE IN CASH AND CASH EQUIVALENTS Effect of exchange rate changes and Inflation restatement on cash and cash equivalents. Effect Of Exchange Rate Changes And Inflation Restatement On Cash And Cash Equivalents NET FOREIGN EXCHANGE DIFFERENCES AND RECPAM ON CASH AND CASH EQUIVALENTS The amount represents the property, plant and equipment and intangible assets acquisition financed with accounts payable. Assets Acquisition Financed With Accounts Payable PP&E and intangible assets acquisition financed with trade payables Additions to right-of-use assets Right of use assets acquisition owed The amount of non cash other payable offset with government bonds. Non Cash Trade Payable Offset with Government Bonds Trade payables cancelled with government bonds The amount of issuance costs payable in a non-cash transaction. Non-Cash Transaction, Issuance Costs Payable Issuance costs payable The amount of non-cash trade payables cancelled with financial debt amount. Non-Cash Trade Payables Cancelled with Financial Debt Amount Trade payables cancelled with borrowings The amount of dividend payable from subsidiaries. Dividend Payable From Subsidiaries Dividend payable from subsidiaries The amount of dividends offset with trade payables, in a non-cash transaction. Dividends Offset With Trade Payables Dividend offset with trade payable Amount of other receivables offset with acquisition of companies and joint ventures. Non Cash Other Receivables Offset with Acquisition of Companies and Joint Ventures Acquisition of companies and joint ventures offset with other receivables Amount of other receivables offset with acquisition of non-controlling interests, in a non-cash transaction. Non Cash, Other Receivables Offset Against Acquisition Of Non-Controlling Interests Acquisition of non-controlling interest offset against other receivables Amount of other receivables offset with acquisition of non-controlling interests, in a non-cash transaction. Non Cash, Other Liabilities Offset Against Acquisition Of Non-Controlling Interests Acquisition of non-controlling interest financed with other liabilities Amount of non-cash exchange notes. Non Cash Exchange Notes Exchange Notes The amount of contribution pending in an integration, in a non-cash transaction. Non-Cash Transaction, Contribution Pending Integration Contribution pending integration The amount of trade payable offset with sale of property, plant and equipment, in a non-cash transaction. Non Cash, Trade Payable Offset With Sale of Property, Plant and Equipment Trade payables offset with sale of PP&E No definition available. BASIS OF PREPARATION OF THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANT ACCOUNTING POLICIES The disclosure of the description of business and basis of preparation of the financial statements. Description of business and basis of preparation of the consolidated financial statements. BASIS OF PREPARATION OF THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANT ACCOUNTING POLICIES No definition available. CASH AND CASH EQUIVALENTS AND INVESTMENTS The entire disclosure of the components of cash, cash equivalents, and investments. Disclosure of Cash, Cash Equivalents And Investments [Text Block] CASH AND CASH EQUIVALENTS AND INVESTMENTS GOODWILL Disclosure of reconciliation of changes in goodwill [text block] GOODWILL PP&E Disclosure of property, plant and equipment [text block] PP&E INTANGIBLE ASSETS Disclosure of intangible assets [text block] INTANGIBLE ASSETS RIGHT OF USE ASSETS Disclosure of quantitative information about right-of-use assets [text block] RIGHT OF USE ASSETS BORROWINGS