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Available To Distribute Financing Receivable, Available To Distribute 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Condensed Consolidated Statement of Operations Income Statement [Abstract] Investments Investment Holdings [Text Block] Net cash paid for taxes: Income Taxes Paid, Net [Abstract] Additional paid-in capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Percentage of legal and other third party, fees Percentage of Legal and Other Third Party, Fees Percentage of Legal and Other Third Party, Fees Schedule of Unrecorded Purchase Obligation Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Basic earnings (loss) attributable to Liberty Global shareholders per share (note 14): Earnings Per Share, Basic [Abstract] Programming and other direct costs of services (note 10) Cost of Goods and Services Sold Weighted average ordinary shares outstanding (diluted EPS computation) (in shares) Weighted Average Number of Shares Outstanding, Diluted Derivative [Line Items] Derivative [Line Items] Total Derivative instruments Derivative Liability AtlasEdge JV AtlasEdge JV AtlasEdge JV [Member] AtlasEdge JV Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Total cash outflows from operating and finance leases Operating and Finance Lease, Payments Operating and Finance Lease, Payments Support equipment, buildings and land Support Equipment, Buildings and Land [Member] Support Equipment, Buildings and Land [Member] Continuing operations Income Taxes Paid, Continuing Operations Income Taxes Paid, Continuing Operations Loss Contingencies [Line Items] Loss Contingencies [Line Items] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Total investments Investments Fair Value Recurring Basis Unobservable Input Reconciliation Net Derivative Asset Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag Common stock Common Stock, Value, Issued Discontinued operations (in USD per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other Other Subsidiaries [Member] Relating to Other Subsidiaries not otherwise identified. Remainder of 2023 Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Summary of Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Operating Segments Operating Segments [Member] Short-term lease expense Short-Term Lease, Cost Principal payments on operating-related vendor financing Principal payments on operating-related vendor financing Repayments Of Long Term Debt On Operating Financing From Vendors Repayments Of Long Term Debt On Operating Financing From Vendors UK JV Services UK JV Services [Member] UK JV Services Net earnings attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Current liabilities: Liabilities, Current [Abstract] Telenet Credit Facility Telenet Credit Facility [Member] Telenet Credit Facility [Member] Foreign currency forward and option contracts Foreign currency forward and option contracts Foreign Exchange Forward [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Borrowings of debt Proceeds from Issuance of Long-Term Debt Equity Method Investments Equity Method Investments [Table Text Block] Common stock, issued (in shares) Common Stock, Shares, Issued Impact of derivative instruments on borrowing costs Impact of Derivative Instruments on Borrowing Costs, Percent Increase (Decrease) Impact of Derivative Instruments on Borrowing Costs, Percent Increase (Decrease) Equity Equity Method Investments International rate differences Effective Income Tax Rate Reconciliation, Decrease in Foreign Income Tax Rate Differential, Amount Effective Income Tax Rate Reconciliation, Decrease in Foreign Income Tax Rate Differential, Amount Debt Covenant [Axis] Debt Covenant [Axis] Debt Covenant Deferred revenue (note 3) Contract with Customer, Liability, Current Held by Liberty Global employees: Employees [Member] Employees [Member] Interest expense Finance Lease, Interest Expense Total Liberty Global shareholders Parent [Member] Foreign currency transaction gains (losses), net Foreign currency transaction losses (gains), net Foreign currency transaction losses (gains), net Foreign Currency Transaction Gain (Loss), before Tax Income Statement Location [Domain] Income Statement Location [Domain] Asset Derivative Asset [Abstract] Current portion Finance Lease, Liability, Current Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Amendment Flag Amendment Flag Net cash used by investing activities Net Cash Provided by (Used in) Investing Activities Operating lease expense Operating Lease, Cost Operating-related vendor financing additions Proceeds From Operating Related Vendor Financing Additions Proceeds From Operating Related Vendor Financing Additions Debt instrument, face amount Debt Instrument, Face Amount Other comprehensive earnings (loss) Other comprehensive earnings (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive loss attributable to Liberty Global shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Litigation Case [Axis] Litigation Case [Axis] Net cash provided by operating activities of continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Net cash used by investing activities of continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Revenue and Operating Cash Flow by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Total lease liabilities Lease, Liability Lease, Liability UPC Revolving Facility One UPC Revolving Facility One [Member] UPC Revolving Facility One Other assets, net (notes 3, 6 and 10) Other Assets, Noncurrent Swisscom MVNO Matter Swisscom MVNO Matter [Member] Swisscom MVNO Matter Net earnings attributable to Liberty Global shareholders Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Effect of exchange rate changes on cash and cash equivalents and restricted cash: Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 2024 Finance Lease, Liability, to be Paid, Year One Cross-currency and interest rate derivative contracts Cross-currency and interest rate derivative contracts Cross Currency Interest Rate Contract [Member] Central and Other Central and Other [Member] Central and Corporate [Member] Schedule of Reconciliation of the Beginning and Ending Balances of Assets and Liabilities Measured at Fair Value Using Significant Unobservable, or Level 3, Inputs Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block] Proceeds from joint venture Proceeds From Equity Method Investment Proceeds From Equity Method Investment Vodafone Group Inc. Vodafone Group Inc. [Member] Vodafone Group Inc. Counterparty Name [Axis] Counterparty Name [Axis] Derivative [Table] Derivative [Table] Realized and unrealized losses due to changes in fair values of certain investments, net (notes 5 and 7) Realized and unrealized losses due to changes in fair values of certain investments, net Realized and unrealized losses due to changes in fair values of certain investments, net Realized And Unrealized Gains (Losses) Due To Changes In Fair Values of Certain Investments and Debt, Net Realized And Unrealized Gains (Losses) Due To Changes In Fair Values of Certain Investments and Debt, Net Options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Deferred financing costs, discounts and premiums, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Pension-related adjustments and other Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code B2B Services B2B Services [Member] B2B Services [Member] Adjustments due to changes in subsidiaries’ equity and other, net Stockholders' Equity, Other 2025 Finance Lease, Liability, to be Paid, Year Two Continuing operations Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Assets acquired under finance leases Lease Obligation Incurred Operating cash outflows from operating leases Operating Lease, Payments Cash paid for acquisition Cash Paid For Asset Acquisition Cash Paid For Asset Acquisition Entities [Table] Entities [Table] Debt (excluding vendor financing) Repayments of Long-Term Debt 2024 Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Title of Individual [Domain] Title of Individual [Domain] Long-term Debt Long-Term Debt [Member] Non-performance based incentive awards Non-Performance Based Share-Based Awards [Member] Non-Performance Based Share-Based Awards [Member] Trade receivables, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Telenet Telenet Telenet [Member] Telenet [Member] Aggregate Variable and Fixed Rate Indebtedness Aggregate Variable and Fixed Rate Indebtedness [Member] Aggregate Variable And Fixed Rate Indebtedness [Member] Total carrying amount of debt Long-Term Debt Other income, net Other income, net Other Nonoperating Income (Expense) ROU assets: Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Second Year Second Year [Member] Second Year Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Maximum Maximum [Member] Schedule of Revenue by Major Category Revenue from External Customers by Products and Services [Table Text Block] Accumulated other comprehensive earnings, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Co-venturer ownership percentage Equity Method Investment, Co-Venturer Ownership Percentage Equity Method Investment, Co-Venturer Ownership Percentage Value added tax, vendor financing arrangement Value Added Tax, Vendor Financing Arrangement Value Added Tax, Vendor Financing Arrangement Class A Common Class A [Member] Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] CANAL+ Polska S.A. CANAL+ Polska S.A. [Member] CANAL+ Polska S.A. Repurchases and cancellations of Liberty Global ordinary shares (note 12) Stock Repurchased and Retired During Period, Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Total Income Taxes Paid, Net Cross-Currency Swap 5 Cross-Currency Swap 5 [Member] Cross-Currency Swap 5 [Member] Revenue recognized Contract with Customer, Liability, Revenue Recognized Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Business Acquisition [Line Items] Business Acquisition [Line Items] Entity Small Business Entity Small Business Equity Stockholders' Equity Note Disclosure [Text Block] Net carrying amount Finite-Lived Intangible Assets, Net Thereafter Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Earnings (loss) from continuing operations Earnings (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Percentage of minority interest revenues and expenses included in net earnings attributable to noncontrolling interest Percentage Of Minority Interest Revenues And Expenses From Consolidated Statements Of Operations Included In Net Earnings Attributable To Noncontrolling Interest Percentage Of Minority Interest Revenues And Expenses From Consolidated Statements Of Operations Included In Net Earnings Attributable To Noncontrolling Interest Network and connectivity commitments Network and Connectivity Commitments [Member] Network and Connectivity Commitments [Member] Weighted average life Debt Securities, Available-for-Sale, Term SMAs SMAs [Member] SMAs Revenue, remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Performance measures, percentage of reportable segment revenue and operating cash flow 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Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Cash received from the sale of investments Proceeds from Sale, Maturity and Collection of Investments Consolidated Entities [Axis] Consolidated Entities [Axis] Notional amount due from counterparty Pays fixed rate Due From Counterparty [Member] Due From Counterparty [Member] Dividend distributions received from the VodafoneZiggo JV Proceeds from Equity Method Investment, Distribution Short-term investments (measured at fair value on a recurring basis) (note 5) Short-term investments Short-Term Investments Operating costs and expenses Costs and Expenses Foreign currency translation adjustments and other, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Net cash used by financing activities of discontinued operations Cash Provided by (Used in) Financing Activities, Discontinued Operations Subsequent Event [Line Items] Subsequent Event [Line Items] Total residential fixed revenue Cable [Member] Cable [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Derivative Asset, Noncurrent Business Combination and Asset Acquisition [Abstract] Capital-related vendor financing additions Proceeds From Capital Related Vendor Financing Additions Proceeds From Capital Related Vendor Financing Additions Class of Stock [Line Items] Class of Stock [Line Items] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Operating leases Present value of lease payments Operating Lease, Liability Segment Reporting Segment Reporting Disclosure [Text Block] SG&A expense Selling, General and Administrative Expenses [Member] Total payments Finance Lease, Liability, to be Paid Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Related party note receivable Receivable with Imputed Interest, Face Amount Maturities of Financing Lease Liabilities Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] Entity Address, Country Entity Address, Country Gain (loss) on derivative instruments, net Realized and unrealized losses (gains) on derivative instruments, net Derivative, Gain (Loss) on Derivative, Net Total Unrecorded Unconditional Purchase Obligation LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Amortized cost basis Debt Securities, Available-for-Sale, Amortized Cost Other comprehensive loss from discontinued operations (note 4) Other Comprehensive Income (Loss), Net of Tax, Discontinued Operations Other Comprehensive Income (Loss), Net of Tax, Discontinued Operations 2023 (remainder of year) Long-Term Debt, Maturity, Remainder of Fiscal Year Equity Method Investment, Nonconsolidated Investee or Group of Investees Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Notional amount due to counterparty Receives fixed rate Due To Counterparty [Member] Due To Counterparty [Member] Accounts payable Accounts Payable, Current Video Cable Video Subscription [Member] Cable Video Subscription [Member] VodafoneZiggo JV Loan VodafoneZiggo JV Loan [Member] VodafoneZiggo JV Loan [Member] Debt instrument, unamortized discount Debt Instrument, Unamortized Discount Continuing operations (in USD per share) Income (Loss) from Continuing Operations, Per Basic Share 2027 Long-Term Debt, Maturity, Year Four Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Entity Filer Category Entity Filer Category Weighted average ordinary shares outstanding (basic EPS computation) (in shares) Weighted Average Number of Shares Outstanding, Basic Equity (note 12): Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Tax Year 2018 Tax Year 2018 [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Cross-Currency Swap 4 Cross-Currency Swap 4 [Member] Cross-Currency Swap 4 [Member] Loss contingency accrual Loss Contingency Accrual Other Other Debt [Member] Other Debt [Member] Investing activities Payments for (Proceeds from) Derivative Instrument, Investing Activities Total residential mobile revenue Mobile Residential [Member] Mobile Residential [Member] Aggregate purchase price Asset Acquisition, Consideration Transferred Ownership percentage Equity Method Investment, Ownership Percentage Share-based compensation expense Share-Based Payment Arrangement, Expense Commitments and contingencies (notes 6, 9, 10, 11 and 15) Commitments and Contingencies Security Exchange Name Security Exchange Name Options outstanding, weighted average exercise or base price (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Percent of remaining results of operations included in investment Percent of Remaining Results of Operations Included in Income (Loss) from Equity Method Investments Percent of Remaining Results of Operations Included in Income (Loss) from Equity Method Investments Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Notional amount Derivative, Notional Amount Contractual maturity: Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Schedule of Debt Schedule of Debt [Table Text Block] Revenue (notes 3, 4, 5 and 16) Revenue from Contract with Customer, Excluding Assessed Tax Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Operating income Disposal Group, Including Discontinued Operation, Operating Income (Loss) Options and SARs Options and Share Appreciation Rights (SARs) [Member] Options and Share Appreciation Rights (SARs) [Member] Current portion of debt and finance lease obligations (notes 9 and 10) Debt, Current Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Leases Lessee, Leases [Policy Text Block] Significant unobservable inputs (Level 3) Fair Value, Inputs, Level 3 [Member] EdgeConneX, Inc. (EdgeConneX) EdgeConneX EdgeConneX Inc. [Member] EdgeConneX Inc. 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Weighted average discount rate, for finance leases Finance Lease, Weighted Average Discount Rate, Percent Revenue Recognition and Related Costs Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Non-controlling interests Noncontrolling Interest [Member] Derivative instruments (note 6) Current Derivative Asset, Current Continuing operations Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents, Period Increase (Decrease) Including Exchange Rate Effect, Continuing Operations Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents, Period Increase (Decrease) Including Exchange Rate Effect, Continuing Operations Total liabilities and equity Liabilities and Equity Vendor financing Vendor Financing [Member] Vendor Financing [Member] Slovakia SLOVAKIA Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] Related Party [Axis] Related Party [Axis] Stock repurchase, remaining authorized amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Incremental shares attributable to the assumed exercise or release of outstanding share-based incentive awards upon vesting (treasury stock method) (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Diluted earnings (loss) attributable to Liberty Global shareholders per share (note 14): Earnings Per Share, Diluted [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Disposal Group Name [Domain] Disposal Group Name [Domain] Cash paid in connection with acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Equity-related derivative instruments Equity-related derivative instruments Equity-Related 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Acquired [Domain] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Percentage of ownership interest Noncontrolling Interest, Ownership Percentage by Parent Share-based compensation (note 13) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation Items [Axis] Consolidation Items [Axis] Telefonica Telefónica [Member] Telefónica 2027 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Total current liabilities Liabilities, Current Continuing operations Interest Paid, Continuing Operations Interest Paid, Continuing Operations 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two Other current assets (notes 3 and 5) Other Assets, Current Percentage of share based compensation expense Equity Method Investment, Percentage Of Share Based Compensation Expense Equity Method 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[Abstract] Third Year Third Year [Member] Third Year Summary of Vendor Financing Obligations Schedule of Long-Term Debt Instruments [Table Text Block] Equity [Abstract] Equity [Abstract] Subsequent Event [Table] Subsequent Event [Table] 2026 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three Foreign currency and other Debt Instrument, Increase (Decrease), Foreign currency, acquisitions and other, Net Debt Instrument, Increase (Decrease), Foreign currency, acquisitions and other, Net Entity Tax Identification Number Entity Tax Identification Number Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Schedule of Investments [Table] Schedule of Investments [Table] Cross-Currency Swap 2 Cross-Currency Swap 2 [Member] Cross-Currency Swap 2 [Member] Operating activities Payments for (Proceeds from) Derivative Instrument, Operating Activities Payments for (Proceeds from) Derivative Instrument, Operating Activities VodafoneZiggo JV Receivable I VodafoneZiggo JV Receivable I [Member] VodafoneZiggo JV Receivable I Fixed-line telephony Cable Fixed-line Telephony Subscription [Member] Cable Fixed-line Telephony Subscription [Member] VodafoneZiggo JV VodafoneZiggo JV VodafoneZiggo JV [Member] VodafoneZiggo JV [Member] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Discontinued operations Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Disposal Group Including Discontinued Operations Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Disposal Group Including Discontinued Operations Interest accrued Increase (Decrease) in Accrued Interest Receivable, Net Floor rate Debt Instrument, Floor Interest Rate Debt Instrument, Floor Interest Rate Property and equipment gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Operating cash outflows from finance leases (interest component) Finance Lease, Interest Payment on Liability Accrued Income Taxes [Abstract] Accrued Income Taxes [Abstract] Income Tax Expense Reconciliation Table Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Aviatrix Systems, Inc. Aviatrix Systems, Inc. [Member] Aviatrix Systems, Inc. Total Net decrease Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Commercial paper Commercial Paper [Member] Intangible assets subject to amortization, net (note 8) Other Intangible Assets, Net Entity Central Index Key Entity Central Index Key UPC SPE Notes UPCB SPE Notes [Member] UPCB SPE Notes [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Tax Period [Axis] Tax Period [Axis] Other accrued and current liabilities (note 10) Other Accrued Liabilities, Current Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Entity [Domain] Entity [Domain] City Area Code City Area Code ASSETS Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Other debt securities Other Debt Obligations [Member] Subscription revenue Mobile Subscription [Member] Mobile Subscription [Member] Ireland Ireland [Member] Ireland Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Percentage of net present value, cost savings Percentage of Net Present Value, Cost Savings Percentage of Net Present Value, Cost Savings Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation [Table] Balance of net assets at January 1, 2023 Balance of net assets at March 31, 2023 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Computed “expected” tax benefit (expense) Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Stock repurchase, remaining authorized amount (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Details of end of period cash and cash equivalents and restricted cash: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] 2024 Long-Term Debt, Maturity, Year One Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Variable Rate [Axis] Variable Rate [Axis] Less: present value discount Finance Lease, Liability, Undiscounted Excess Amount Other long-term liabilities (notes 3 and 6) Other Liabilities, Noncurrent Share of results of affiliates, net (note 5) Share of results of affiliates, net Equity method investment Income (Loss) from Equity Method Investments Gain (loss) on change in credit risk valuation included in realized and unrealized gains (losses) on derivative instruments, net Gain Loss On Credit Risk Derivatives Net Recognized In Earnings Gain Loss On Credit Risk Derivatives Net Recognized In Earnings Disposal Group Classification [Domain] Disposal Group Classification [Domain] Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Weighted Average Weighted Average [Member] Interkabel Acquisition Interkabel Acquisition [Member] Interkabel Acquisition [Member] Thereafter Finance Lease, Liability, to be Paid, after Year Five Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Increase (decrease) to revenue Increase (Decrease) to Revenue Increase (Decrease) to Revenue Addition to ROU assets associated with operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cash paid for investments Payments to Acquire Interest in Subsidiaries and Affiliates Net earnings from continuing operations attributable to noncontrolling interests Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Long-term Derivative Liability, Noncurrent