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Segment Reporting, Measurement Disclosures [Abstract] Revenue and Operating Cash Flow by Segment Schedule Of Revenue and Operating Cash Flow Segment Reporting Information By Segment [Table Text Block] Segment Revenue, & OCF year over year comparison. Total Segment Operating Cash Flow to Earnings (Loss) from Continuing Operations before Income Taxes Schedule of Reconciliation of Total Segment Operating Cash Flow From Continuing Operations to Loss From Continuing Operations Before Income Taxes [Table Text Block] Schedule of Reconciliation of Total Segment Operating Cash Flow From Continuing Operations to Loss From Continuing Operations Before Income Taxes [Table Text Block] Schedule of Reporting Capital Expenditures of Reportable Segments Schedule of Reporting Capital Expenditures of Reportable Segments [Table Text Block] Schedule of Reporting Capital Expenditures of Reportable Segments [Table Text Block] Revenue by Major Category Schedule of Revenue by Major Category [Table Text Block] Schedule of Revenue by Major Category [Table Text Block] Geographic Segments Revenue from External Customers by Geographic Areas [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies 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[Member] Mobistar MVNO Agreement [Member] Mobistar MVNO Agreement [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Liberty Global Group [Member] Liberty Global Group [Member] Liberty Global Group [Member] LiLAC Group [Member] LiLAC Group [Member] LiLAC Group [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast [Member] Scenario, Forecast [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Liberty Media [Member] Liberty Media [Member] Liberty Media [Member] Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Broadband Communications and DHT Operations [Member] Broadband Communications and DHT Operations [Member] Broadband Communications and DHT Operations [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] 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Retail-Minus Tariffs Term Amended Retail-Minus Tariffs Term Amended Retail-Minus Tariffs Term Financial transactions tax Financial Transactions Tax Financial Transactions Tax Estimate of possible loss Loss Contingency, Estimate of Possible Loss Net cash paid for taxes Income Taxes Paid Interest expense Income Tax Examination, Interest Expense Unpaid VAT payment assessed Loss Contingency, Unpaid VAT Payment Assessed Loss Contingency, Unpaid VAT Payment Assessed Loss contingency accrual Loss Contingency Accrual Commitment term Commitment Term Commitment Term Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Virgin Media [Member] Virgin Media [Member] Virgin Media [Member] Ziggo Group Holding [Member] Ziggo Group Holding [Member] Ziggo Group Holding [Member] Unitymedia [Member] Unitymedia [Member] Unitymedia [Member] UPC Holding [Member] UPC Holding [Member] UPC Holding [Member] Telenet [Member] Telenet [Member] Telenet [Member] Other Subsidiaries [Member] Other Subsidiaries [Member] Relating to Other Subsidiaries not otherwise identified. VTR [Member] VTR [Member] VTR [Member] Liberty Puerto Rico [Member] Liberty Puerto Rico [Member] Liberty Puerto Rico [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] 2016 (remainder of year) Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year 2016 Long-term Debt, Maturities, Repayments of Principal in Year Two 2017 Long-term Debt, Maturities, Repayments of Principal in Year Three 2018 Long-term Debt, Maturities, Repayments of Principal in Year Four 2019 Long-term Debt, Maturities, Repayments of Principal in Year Five 2020 Long Term Debt Maturities Repayments of Principal in Year Six Amount of long-term debt maturing in year six following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. Thereafter Long Term Debt Maturities Repayments of Principal after Year Six Amount of long-term debt maturities after year six following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. Total debt maturities Long-term Debt, Gross Unamortized premium (discount) Debt Instrument, Unamortized Discount (Premium), Net Unamortized deferred financing costs Debt Issuance Costs, Net Total debt Long-term Debt Current portion (d) Long-term Debt, Current Maturities Noncurrent portion Long-term Debt, Excluding Current Maturities Long lived Assets Long Lived Assets [Abstract] Long-lived Assets Long Lived Assets Disclosure [Text Block] The entire disclosure for long-lived assets. Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Old Liberty Global [Member] Old Liberty Global [Member] Old Liberty Global [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Common Class A [Member] Common Class B [Member] Common Class B [Member] Common Class C [Member] Common Class C [Member] Statement [Line Items] Statement [Line Items] Investments, fair value Investments, Fair Value Disclosure Common stock, nominal value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, issued (in shares) Common Stock, Shares, Issued Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Liberty Global call option contracts Adjustments To Additional Paid In Capital, Call Option Contracts Adjustments To Additional Paid In Capital, Call Option Contracts Ending balance Shares purchased pursuant to repurchase programs (in shares) Stock Repurchased and Retired During Period, Shares Repurchase and cancellation of Liberty Global Shares Stock Repurchased and Retired During Period, Value Average price paid per share pursuant to repurchase programs (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Subsequent Events [Abstract] Debt Instrument Redemption Debt Instrument 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Extinguishment of Debt [Axis] Extinguishment of Debt, Type [Domain] Extinguishment of Debt, Type [Domain] Principal amount of debt Debt Instrument, Face Amount Interest rate Debt Instrument, Interest Rate, Stated Percentage Percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Redemption price Debt Instrument, Redemption Price, Percentage Loss on debt modification and extinguishment Gain (Loss) on Extinguishment of Debt Payments for debt redemption premium Payments For Debt Redemption Premium Payments For Debt Redemption Premium Write-off of deferred financing costs Write off of Deferred Debt Issuance Cost Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Collar [Member] Interest Rate Collar [Member] Interest Rate Collar UPC Broadband Holding [Member] UPC Broadband Holding [Member] UPC Broadband Holding [Member] Derivative [Line Items] Derivative [Line Items] Notional amount of derivative Derivative, Notional Amount Minimum rate Derivative, Floor Interest Rate Maximum rate Derivative, Cap Interest Rate Subsequent Events Subsequent Events [Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Restructuring and Related Activities [Abstract] Summary of changes in restructuring liability Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Business Combinations [Abstract] Acquisition and Joint Venture Transactions Business Combination Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Non-Performance Based Awards [Member] Non-Performance Based Awards [Member] Non-Performance Based Awards [Member] PSUs / PGUs [Member] Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Total compensation expense not yet recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average period remaining for expense recognition (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common stock Common Stock [Member] Additional paid-in capital Additional Paid-in Capital [Member] Accumulated deficit Retained Earnings [Member] Accumulated other comprehensive earnings, net of taxes AOCI Attributable to Parent [Member] Treasury shares, at cost Treasury Stock [Member] Total Liberty Global shareholders Parent [Member] Non-controlling interests Noncontrolling Interest [Member] Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive earnings, net of taxes Other Comprehensive Income (Loss), Net of Tax Repurchase and cancellation of Liberty Global ordinary shares (note 9) Share-based compensation (note 10) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Adjustments due to changes in subsidiaries’ equity and other, net Stockholders' Equity, Other Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Cross-currency and interest rate derivative contracts Cross Currency Interest Rate Contract [Member] Equity-related derivative instruments Equity Contract [Member] Foreign currency forward contracts Foreign Exchange Forward [Member] Other Other Contract [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted prices in active markets for identical assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant unobservable inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Assets: Derivative Asset [Abstract] Derivative instruments Derivative Asset Total assets Assets, Fair Value Disclosure Liabilities: Derivative Liability [Abstract] Derivative instruments Derivative Liability Debt Long-term Debt, Fair Value Total liabilities Financial and Nonfinancial Liabilities, Fair Value Disclosure Fair Value, Assets and Liabilities (Net) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Type [Axis] Asset Class [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Asset Types [Domain] Asset Class [Domain] Investments Investments [Member] Equity-related derivative instruments Derivative Financial Instruments, Liabilities [Member] 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] 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] Balance of net assets at January 1, 2016 Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Net Value This element represents assets and liabilities, net, measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Gains included in net loss (a): Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings [Abstract] Realized and unrealized gains on derivative instruments, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset and Liability, Derivative Instrument Gain (Loss) Included in Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset and Liability, Derivative Instrument Gain (Loss) Included in Earnings Realized and unrealized gains due to changes in fair values of certain investments, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset and Liability, Gain (Loss) Included in Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset and Liability, Gain (Loss) Included in Earnings Foreign currency translation adjustments and other, net Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Foreign Currency Translation Adjustments Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Foreign Currency Translation Adjustments Balance of net assets at March 31, 2016 Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] European Operations Division U.K / Ireland [Member] European Operations Division U.K / Ireland [Member] European Operations Division U.K / Ireland [Member] European Operations Division Switzerland / Austria [Member] European Operations Division Switzerland / Austria [Member] European Operations Division Switzerland / Austria [Member] Total European Operations Division [Member] Total European Operations Division [Member] Total European Operations Division [Member] Telenet and Liberty Puerto Rico [Member] Telenet and Liberty Puerto Rico [Member] Telenet and Liberty Puerto Rico [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Threshold percentage used to determine reportable segments using one of three criteria of revenue, operating cash flow or total assets Threshold Percentage Of Revenue Operating Cash Flows Or Total Assets Used To Identify Reportable Segments Threshold Percentage Of Revenue Operating Cash Flows Or Total Assets Used To Identify Reportable Segments. Number of European countries in operating segment (in countries) Number Of European Countries In Operating Segment Number Of European Countries In Operating Segment Performance measures, percentage of reportable segment revenue and operating cash flow presented Performance Measures Percentage Of Reportable Segment Revenue And Operating Cash Flow Presented Performance Measures Percentage Of Reportable Segment Revenue And Operating Cash Flow Presented 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 Schedule of PP&E Property, Plant and Equipment [Table Text Block] Schedule of Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Intangible Assets Subject to Amortization, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Choice and BASE Acquisitions [Member] Choice and BASE Acquisitions [Member] Choice and BASE Acquisitions [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Revenue: Business Acquisition, Pro Forma Revenue Net loss attributable to Liberty Global shareholders: Business Acquisition, Pro Forma Net Income (Loss) Basic and diluted loss attributable to Liberty Global shareholders per share: Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted Summary of stock-based compensation Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of stock compensation not recognized Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Interest Rate Cap [Member] Interest Rate Cap [Member] December 2017 0.4 EUR 6.50 Percent [Member] December 2017 0.4 EUR 6.50 Percent [Member] December 2017 0.4 EUR 6.50 Percent [Member] December 2017 0.4 EUR 5.50 Percent [Member] December 2017 0.4 EUR 5.50 Percent [Member] December 2017 0.4 EUR 5.50 Percent [Member] Interest Rate Cap Sold [Member] Interest Rate Cap Sold [Member] Interest Rate Cap Sold [Member] LGE Financing [Member] LGE Financing [Member] LGE Financing [Member] Telenet International [Member] Telenet International [Member] Telenet International [Member] Telenet NV [Member] Telenet NV [Member] Telenet NV [Member] Accrued Income Taxes [Abstract] Income Taxes Income Tax Disclosure [Text Block] ITV Collar [Member] ITV Collar [Member] ITV Collar [Member] Sumitomo Collar [Member] Sumitomo Collar [Member] Relating to the Sumitomo Collar Lionsgate Forward [Member] Lionsgate Forward [Member] Lionsgate Forward [Member] Other [Member] Other Equity Related Derivative Instrument [Member] Other Equity Related Derivative Instrument [Member] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Gain (loss) on derivative instruments, net Derivative, Gain (Loss) on Derivative, Net Schedule of changes in share capital Schedule of Stockholders Equity [Table Text Block] Share-based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Mobile Spectrum [Member] Mobile Spectrum [Member] Mobile Spectrum [Member] Customer Relationships [Member] Customer Relationships [Member] Trademarks [Member] Trademarks [Member] Base Company NV [Member] Base Company NV [Member] Base Company NV [Member] Choice Acquisition [Member] Choice Acquisition [Member] Choice Acquisition [Member] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Property and equipment, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Goodwill Goodwill Intangible assets subject to amortization, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Franchise rights Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Franchise Rights Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Franchise Rights Other assets, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Other accrued and current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Non-current deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Segment Reporting [Abstract] European Operations Division Netherlands [Member] European Operations Division Netherlands [Member] European Operations Division Netherlands [Member] European Operations Division Germany [Member] European Operations Division Germany [Member] European Operations Division Germany [Member] European Operations Division Belgium [Member] European Operations Division Belgium [Member] European Operations Division Belgium [Member] European Operations Division Total Western Europe [Member] European Operations Division Total Western Europe [Member] European Operations Division Total Western Europe [Member] European Operations Division Central and Eastern Europe [Member] European Operations Division Central and Eastern Europe [Member] European Operations Division Central and Eastern Europe [Member] European Operations Division Central and Other [Member] European Operations Division Central and Other [Member] European Operations Division Central and Other [Member] Corporate and Other [Member] Corporate and Other [Member] LiLAC Group Chile [Member] LiLAC Group Chile [Member] LiLAC Group Chile [Member] LiLAC Group Puerto Rico [Member] LiLAC Group Puerto Rico [Member] LiLAC Group Puerto Rico [Member] Total property and equipment additions Property, Plant and Equipment, Additions Assets acquired under capital-related vendor financing arrangements Assets Acquired Under Capital-Related Vendor Financing Arrangements Assets Acquired Under Capital-Related Vendor Financing Arrangements Assets acquired under capital leases Capital Lease Obligations Incurred Changes in current liabilities related to capital expenditures Increase Decrease in Current Liabilities Related to Capital Expenditures Increase Decrease in Current Liabilities Related to Capital Expenditures Total capital expenditures Payments for Capital Improvements Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Distribution Systems [Member] Distribution Systems [Member] Distribution Systems [Member] Customer Premises Equipment [Member] Customer Premises Equipment [Member] Customer Premises Equipment [Member] Support Equipment, Buildings and Land [Member] Support Equipment, Buildings and Land [Member] Support Equipment, Buildings and Land [Member] Property and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment, net Property, Plant and Equipment, Net Accounting Changes and Error Corrections [Abstract] Accounting Changes and Recent Accounting Pronouncements Accounting Changes [Text Block] Noncash vendor financing arrangement, cash increase, excluding value added tax Noncash Vendor Financing Arrangement, Cash Increase, Excluding Value Added Tax Noncash Vendor Financing Arrangement, Cash Increase, Excluding Value Added Tax Value added tax, vendor financing arrangement Value Added Tax, Vendor Financing Arrangement Value Added Tax, Vendor Financing Arrangement Capital leases Refinancing transactions, aggregate borrowings and repayments of debt Non-Cash Borrowings and Repayments of Debt Non-Cash Borrowings and Repayments of Debt Earnings Per Share [Abstract] Earnings or Loss per Share Earnings Per Share [Text Block] Counterparty Credit Risk [Member] Counterparty Credit Risk [Member] Counterparty Credit Risk [Member] VM Convertible Senior Notes [Member] VM Convertible Senior Notes [Member] VM Convertible Senior Notes [Member] Valuation adjustment in asset cross currency and interest rate derivative contracts Valuation Adjustment On Credit Risk Asset Derivatives Net Valuation Adjustment On Credit Risk Asset Derivatives Net. Valuation adjustment in liability cross currency and interest rate derivative contracts Valuation Adjustment On Credit Risk Liability Derivatives Net Valuation Adjustment On Credit Risk Liability Derivatives Net. Gain (loss) in changes in the credit risk valuation adjustments associated with our cross-currency and interest rate derivative contracts Gain Loss On Credit Risk Derivatives Net Recognized In Earnings Gain Loss On Credit Risk Derivatives Net Recognized In Earnings Number of common stock shares owned (in shares) Investment Owned, Balance, Shares Derivative assets Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Due From Counterparty [Member] Due From Counterparty [Member] Due From Counterparty [Member] Due To Counterparty [Member] Due To Counterparty [Member] Due To Counterparty [Member] October 2018 2155.0 GBP [Member] October 2018 2155.0 GBP [Member] October 2018 2155.0 GBP [Member] October 2018 - June 2023 1200.0 GBP [Member] October 2018 - June 2023 1200.0 GBP [Member] October 2018 - June 2023 1200.0 GBP [Member] June 2023 1,035.6 GBP [Member] June 2023 1,035.6 GBP [Member] June 2023 1,035.6 GBP [Member] January 2021 905.1 GBP [Member] January 2021 905.1 GBP [Member] January 2021 905.1 GBP [Member] January 2021 628.4 GBP [Member] January 2021 628.4 GBP [Member] January 2021 628.4 GBP [Member] April 2023 108.9 GBP [Member] April 2023 108.9 GBP [Member] April 2023 108.9 GBP [Member] June 2022 100.0 GBP [Member] June 2022 100.0 GBP [Member] June 2022 100.0 GBP [Member] February 2022 62.2 GBP [Member] February 2022 62.2 GBP [Member] February 2022 62.2 GBP [Member] January 2022 675.0 USD [Member] January 2022 675.0 USD [Member] January 2022 675.0 USD [Member] July 2020 750.0 EUR [Member] July 2020 750.0 EUR [Member] July 2020 750.0 EUR [Member] July 2016 503.4 EUR [Member] July 2016 503.4 EUR [Member] July 2016 503.4 EUR [Member] July 2016 - January 2021 250.0 EUR [Member] July 2016 - January 2021 250.0 EUR [Member] July 2016 - January 2021 250.0 EUR [Member] July 2016 - January 2023 210.0 EUR [Member] July 2016 - January 2023 210.0 EUR [Member] July 2016 - January 2023 210.0 EUR [Member] January 2022 107.0 EUR [Member] January 2022 107.0 EUR [Member] January 2022 107.0 EUR [Member] July 2016 - July 2020 43.4 EUR [Member] July 2016 - July 2020 43.4 EUR [Member] July 2016 - July 2020 43.4 EUR [Member] July 2016 1,629.8 CHF [Member] July 2016 1,629.8 CHF [Member] July 2016 1,629.8 CHF [Member] July 2016 - September 2022 729.8 CHF [Member] July 2016 - September 2022 729.8 CHF [Member] July 2016 - September 2022 729.8 CHF [Member] July 2016 — January 2021 500.0 CHF 1.65% [Member] January 2015 — January 2021 500.0 CHF 1.65% [Member] January 2015 — January 2021 500.0 CHF 1.65% [Member] July 2016 - January 2018 400.0 CHF [Member] January 2015 - January 2018 400.0 CHF [Member] January 2015 - January 2018 400.0 CHF [Member] June 2021 370.9 CHF [Member] June 2021 370.9 CHF [Member] June 2021 370.9 CHF [Member] November 2016 226.8 CHF [Member] November 2016 226.8 CHF [Member] November 2016 226.8 CHF [Member] November 2016 - 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Schedule of Cash Received (Paid) Related to Derivative Instruments Statement of Cash Flows Location Schedule Of Cash Received Paid Related To Derivative Instruments Statement Of Cash Flows Location Text Block Schedule Of Cash Received Paid Related To Derivative Instruments Statement Of Cash Flows Location. Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Income Tax Benefit (Expense) Reconciliation Table Income Tax Benefit Expense Reconciliation Table Text Block Income tax benefit expense Reconciliation table. Income Statement [Abstract] Revenue (note 14) Revenues Operating costs and expenses: Costs and Expenses [Abstract] Operating (other than depreciation and amortization) (including share-based compensation) (note 10) Other Cost and Expense, Operating Selling, general and administrative (SG&A) (including share-based compensation) (note 10) Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Impairment, restructuring and other operating items, net (note 11) Restructuring, Settlement and Impairment Provisions Operating costs and expenses, Total Costs and Expenses Operating income Operating Income (Loss) Non-operating income (expense): Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Realized and unrealized gains (losses) on derivative instruments, net (note 4) Gain (Loss) on Derivative Instruments, Net, Pretax Foreign currency transaction gains (losses), net Foreign Currency Transaction 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Liberty Global shareholders per share (notes 1 and 12): Earnings Per Share, Basic and Diluted [Abstract] Basic and diluted earnings (loss) attributable to Liberty Global shareholders per share (in dollars per share) Earnings Per Share, Basic and Diluted Weighted average ordinary shares outstanding basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Operating activities Payments for (Proceeds from) Derivative Instrument, Operating Activities Payments for (Proceeds from) Derivative Instrument, Operating Activities Investing activities Payments for (Proceeds from) Derivative Instrument, Investing Activities Financing activities Payments for (Proceeds from) Derivative Instrument, Financing Activities Total Payments For Proceeds From Derivatives Continuing Operations Payments For Proceeds From Derivatives Continuing Operations Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Foreign Currency Forward 1 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Forward 10 [Member] Foreign Currency Forward 10 [Member] Foreign Currency Forward 11 [Member] Foreign Currency Forward 11 [Member] Foreign Currency Forward 11 [Member] Foreign Currency Forward 12 [Member] Foreign Currency Forward 12 [Member] Foreign Currency Forward 12 [Member] Foreign Currency Forward 13 [Member] Foreign Currency Forward 13 [Member] Foreign Currency Forward 13 [Member] Foreign Currency Forward 14 [Member] Foreign Currency Forward 14 [Member] Foreign Currency Forward 14 [Member] Foreign Currency Forward 15 [Member] Foreign Currency Forward 15 [Member] Foreign Currency Forward 15 [Member] Foreign Currency Forward 16 [Member] Foreign Currency Forward 16 [Member] Foreign Currency Forward 16 [Member] Foreign Currency Forward 17 [Member] Foreign Currency Forward 17 [Member] Foreign Currency Forward 17 [Member] Total segment Adjusted OIBDA Segment Operating Cash Flow Segment Operating Cash Flow Share-based compensation expense Share-based Compensation Depreciation and 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Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Other Intangible Assets [Member] Other Intangible Assets [Member] Gross carrying amount Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Net carrying amount Finite-Lived Intangible Assets, Net Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Share-based compensation expense Impairment, restructuring and other operating items, net Amortization of deferred financing costs and non-cash interest accretion Amortization of Debt Issuance Costs and Discounts Realized and unrealized losses (gains) on derivative instruments, net Foreign currency transaction losses (gains), net Realized and unrealized losses (gains) 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 of dividends Realized and unrealized losses (gains) due to changes in fair values of certain investments and debt, net of dividends. Losses on debt modification and extinguishment, net Deferred income tax benefit Deferred Income Tax Expense (Benefit) Excess tax benefit from share-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in operating assets and liabilities, net of the effects of acquisitions and dispositions Increase (Decrease) in Operating Capital Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Cash paid in connection with acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Capital expenditures Payments to Acquire Productive Assets Investments in and loans to affiliates and others Payments to Acquire Interest in Subsidiaries and Affiliates Other investing activities, net Payments for (Proceeds from) Other Investing Activities Net cash used by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings of debt Proceeds from Issuance of Long-term Debt Repayments and repurchases of debt and capital lease obligations Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Repurchase of Liberty Global ordinary shares Payments for Repurchase of Common Stock Change in cash collateral Change in Cash Collateral Change in cash collateral. Net cash paid associated with call option contracts on Liberty Global ordinary shares Net Cash Proceeds (Payments) associated with call Option Contracts Net Cash Proceeds (Payments) associated with call Option Contracts Net cash paid related to derivative instruments Payments for (Proceeds from) Hedge, Financing Activities Payment of financing costs and debt premiums Payment Of Deferred Financing Costs Debt Premiums And Exchange Offer Consideration Payment Of Deferred Financing Costs Debt Premiums And Exchange Offer Consideration Other financing activities, net Proceeds from (Payments for) Other Financing Activities Net cash provided (used) by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents: Cash and Cash Equivalents, at Carrying Value [Abstract] 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[Member] ITV Collar Loan [Member] ITV Collar Loan [Member] ITV Collar Loan [Member] Liberty Puerto Rico Bank Facility [Member] Liberty Puerto Rico Bank Facility Debt [Member] Liberty Puerto Rico Bank Facility Debt [Member] Vendor Financing [Member] Vendor Financing [Member] Vendor Financing [Member] VTR Dollar Credit Facility [Member] VTR Dollar Credit Facility [Member] VTR Dollar Credit Facility [Member] Other Debt [Member] Other Debt [Member] Other Debt [Member] Aggregate Variable and Fixed Rate Indebtedness [Member] Aggregate Variable and Fixed Rate Indebtedness [Member] Aggregate Variable And Fixed Rate Indebtedness [Member] Telenet Credit Facility Z [Member] Telenet Credit Facility Z [Member] Telenet Credit Facility Z [Member] Telenet Credit Facility AA [Member] Telenet Credit Facility AA [Member] Telenet Credit Facility AA [Member] Telenet Credit Facility X [Member] Telenet Credit Facility X [Member] Telenet Credit Facility X [Member] Third-Party Debt [Member] Third-Party Debt [Member] Third-Party Debt [Member] VM Facility G [Member] VM Facility G [Member] VM Facility G [Member] VM Facility H [Member] VM Facility H [Member] VM Facility H [Member] UnityMedia KabelBW [Member] UnityMedia KabelBW [Member] UnityMedia KabelBW [Member] Ziggo Secured Finance [Member] Ziggo Secured Finance [Member] Ziggo Secured Finance [Member] Weighted average interest rate Debt, Weighted Average Interest Rate Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Estimated fair value Debt Instrument, Fair Value Disclosure Total principal amount of debt before unamortized premiums, discounts and deferred financing costs Unamortized premiums (discounts), net Capital lease obligations Capital Lease Obligations Total debt and capital lease obligations Long-term Debt and Capital Lease Obligations, Including Current Maturities Current maturities of debt and capital lease obligations Long-term Debt and Capital Lease Obligations, Current Long-term debt and capital lease obligations Long-term Debt and Capital Lease Obligations Limitation on availability Line of Credit Facility, Current Borrowing Capacity Loans receivable Loans Receivable, Net Ownership percentage of special purpose financing entity Ownership Percentage of Special Purpose Financing Entity Ownership Percentage of Special Purpose Financing Entity Facility amount Line of Credit Facility, Maximum Borrowing Capacity Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Floor rate Debt Instrument, Floor Interest Rate Debt Instrument, Floor Interest Rate Carrying value Long-term Line of Credit General term of vendor financing arrangements General Term of Vendor Financing Arrangements for Amounts Due General Term of Vendor Financing Arrangements for Amounts Due Value added tax, vendor financing arrangement Vendor Paid Value Added Tax Vendor Paid Value Added Tax Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income Tax Authority [Axis] Income Tax 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4) Accrued interest Interest Payable, Current Accrued income taxes Accrued Income Taxes, Current Accrued capital expenditures Accrued Capital Expenditures, Current Accrued Capital Expenditures, Current Other accrued and current liabilities (note 11) Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term debt and capital lease obligations (note 7) Other long-term liabilities (notes 4 and 11) Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (notes 3, 4, 7, 8, 13 and 15) Commitments and Contingencies Equity (note 9): Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Liberty Global shareholders: Stockholders' Equity Attributable to Parent [Abstract] Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive earnings, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury shares, at cost Treasury Stock, Value Total Liberty Global shareholders Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Total liabilities and equity Liabilities and Equity Subsequent Event [Table] Subsequent Event [Table] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 2021 Debt Instrument, Redemption, Period Two [Member] 2022 Debt Instrument, Redemption, Period Three [Member] 2023 Debt Instrument, Redemption, Period Four [Member] 2024 and thereafter Debt Instrument, Redemption, Period Five [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Virgin Media Secured Finance [Member] Virgin Media Secured Finance [Member] Virgin Media Secured Finance [Member] Telenet Financing USD LLC [Member] Telenet Financing USD LLC [Member] Telenet Financing USD LLC [Member] Secured Debt [Member] Secured Debt [Member] Term Loan Facility [Member] Term Loan Facility [Member] Term Loan Facility [Member] August 2026 VM Senior Secured Notes [Member] August 2026 VM Senior Secured Notes [Member] August 2026 VM Senior Secured Notes [Member] Telenet Facility AD [Member] Telenet Facility AD [Member] Telenet Facility AD [Member] Telenet Credit Facility P [Member] Telenet Credit Facility P [Member] Telenet Credit Facility P [Member] Telenet Credit Facility O [Member] Telenet Credit Facility O [Member] Telenet Credit Facility O [Member] 6.625 Telenet Senior Secured Notes [Member] 6.625 Telenet Senior Secured Notes [Member] 6.625 Telenet Senior Secured Notes [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Additional basis points used to determine redemption premium Additional Basis Points on Discount Rate Used to Calculate Redemption Premium on Debt Instrument Additional basis points on discount rate used to calculate redemption premium on debt instrument. 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Expected performance earnings Expected Performance Earnings Percentage For Psus Expected actual performance earnings percentage for PSUs, as of the balance sheet date. Vesting rights Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Other than options granted in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Weighted average grant-date fair value, other than options (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Unrecorded Purchase Obligation Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Debt and Capital Lease Obligations Debt Disclosure [Text Block] Equity Stockholders' Equity Note Disclosure [Text Block] Cable & Wireless Communications Plc [Member] Cable & Wireless Communications Plc [Member] Cable & Wireless Communications Plc [Member] Viking Co NV [Member] Viking Co NV [Member] Viking Co NV [Member] Parent Company [Member] Parent Company 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Non-Taxable Foreign Currency Exchange Results, Amount [Abstract] Increase Effective Income Tax Rate Reconciliation, Increase in Non-Deductible or Non-Taxable Foreign Currency Exchange Results, Amount Effective Income Tax Rate Reconciliation, Increase in Non-Deductible or Non-Taxable Foreign Currency Exchange Results, Amount Decrease Effective Income Tax Rate Reconciliation, Decrease in Non-Deductible or Non-Taxable Foreign Currency Exchange Results, Amount Effective Income Tax Rate Reconciliation, Decrease in Non-Deductible or Non-Taxable Foreign Currency Exchange Results, Amount Recognition of previously unrecognized tax benefits Income Tax Reconciliation, Previously Unrecognized Tax Benefits Income Tax Reconciliation, Previously Unrecognized Tax Benefits Basis and other differences in the treatment of items associated with investments in subsidiaries and affiliates: Effective Income Tax Rate Reconciliation, Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount [Abstract] Effective Income Tax Rate Reconciliation, Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount [Abstract] Decrease Effective Income Tax Rate Reconciliation, Decrease in Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount Effective Income Tax Rate Reconciliation, Decrease in Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount Increase Effective Income Tax Rate Reconciliation, Increase in Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount Effective Income Tax Rate Reconciliation, Increase in Basis and Other Differences in the Treatment of Items Associated with Investments in Subsidiaries and Affiliates, Amount Non-deductible or non-taxable interest and other expenses: Effective Income Tax Rate Reconciliation, Non-deductible or Non-Taxable Interest and Other Expenses, Amount [Abstract] Effective Income Tax Rate Reconciliation, Non-deductible or Non-Taxable Interest and Other Expenses, Amount [Abstract] Decrease Effective Income Tax Rate Reconciliation, Decrease in Non-deductible or Non-Taxable Interest and Other Expenses, Amount Effective Income Tax Rate Reconciliation, Decrease in Non-deductible or Non-Taxable Interest and Other Expenses, Amount Increase Effective Income Tax Rate Reconciliation, Increase in Non-deductible or Non-Taxable Interest and Other Expenses, Amount Effective Income Tax Rate Reconciliation, Increase in Non-deductible or Non-Taxable Interest and Other Expenses, Amount Other, net Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Total income tax benefit Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Programming Commitments [Member] Programming Commitments [Member] Programming Commitments [Member] Network and Connectivity Commitments [Member] Network and Connectivity Commitments [Member] Network and Connectivity Commitments [Member] Purchase Commitments [Member] Purchase Commitments [Member] Purchase Commitments [Member] Operating Leases [Member] Operating Leases [Member] Operating Leases [Member] Other Commitments [Member] Other Commitments [Member] Other Commitments [Member] Unrecorded Unconditional Purchase Obligation [Line Items] Unrecorded Unconditional Purchase Obligation [Line Items] Remainder of 2016 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months 2016 Unrecorded Unconditional Purchase Obligation, Due within Two Years 2017 Unrecorded Unconditional Purchase Obligation, Due within Three Years 2018 Unrecorded Unconditional Purchase Obligation, Due within Four Years 2019 Unrecorded Unconditional Purchase Obligation, Due within Five Years 2020 Unrecorded Unconditional Purchase Obligation Balance On Sixth Anniversary Unrecorded Unconditional Purchase Obligation Balance On Sixth Anniversary Thereafter Unrecorded Unconditional Purchase Obligation Balance On Sixth Anniversary And Thereafter Unrecorded unconditional purchase obligation balance on sixth anniversary and thereafter. Total Unrecorded Unconditional Purchase Obligation Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill beginning balance Acquisitions and related adjustments Goodwill, Acquired During Period Foreign currency translation adjustments and other Goodwill, Translation and Purchase Accounting Adjustments Goodwill ending balance Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Net loss attributable to Liberty Global shareholders Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] U.K. / Ireland [Member] U.K. / Ireland [Member] U.K. / Ireland [Member] Netherlands [Member] NETHERLANDS Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee severance and termination [Member] Employee Severance [Member] Office closures [Member] Facility Closing [Member] Contract termination and other [Member] Contract Termination and Other [Member] Contract Termination and Other [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring liability as of January 1, 2016 Restructuring Reserve Cash paid Payments for Restructuring Restructuring charges Restructuring Charges Foreign currency translation adjustments and other Restructuring Reserve, Foreign Currency Translation Gain (Loss) Restructuring liability as of March 31, 2016 Current portion Restructuring Reserve, Current Noncurrent portion Restructuring Reserve, Noncurrent Total Summary of Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] 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] Basis of Presentation [Table] Basis of Presentation [Table] Basis of Presentation [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Video, Broadband Internet and FIxed-Line Telephony [Member] Video, Broadband Internet and FIxed-Line Telephony [Member] Video, Broadband Internet and FIxed-Line Telephony [Member] Mobile Services [Member] Mobile Services [Member] Mobile Services [Member] Europe [Member] Europe [Member] Puerto Rico [Member] PUERTO RICO Basis of Presentation [Line Items] Basis of Presentation [Line Items] [Line Items] for Basis of Presentation [Table] Number of countries in which entity provides services (in countries) Number of Countries in which Entity Operates Percentage ownership in subsidiary Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options, SARs, PSARs, Restricted Shares, and RSUs [Member] Stock Options, SARs, PSARs, Restricted Shares, and RSUs [Member] Stock Options, SARs, PSARs, Restricted Shares, and RSUs [Member] Obligations That May Be Settled in Cash or Shares [Member] Obligations That May Be Settled in Cash or Shares [Member] Obligations That May Be Settled in Cash or Shares [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Aggregate number of shares excluded from computation of EPS Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other Share-Based Incentive Awards [Member] Other Share-Based Incentive Awards [Member] Other Share-Based Incentive Awards [Member] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Other Stock Plan [Member] Other Stock Plan [Member] Other Stock Plan [Member] Operating expense Operating Expense [Member] Reversal of stock-based compensation expense Reversal of Share-based Compensation Expense Reversal of Share-based Compensation Expense January 2023 400.0 USD 339.6 GBP [Member] January 2023 400.0 USD 339.6 GBP [Member] January 2023 400.0 USD 339.6 GBP [Member] June 2023 1855.0 USD 1198.3 GBP [Member] June 2023 1855.0 USD 1198.3 GBP [Member] June 2023 1855.0 USD 1198.3 GBP [Member] February 2022 1400.0 USD 935.9 GBP [Member] February 2022 1400.0 USD 935.9 GBP [Member] February 2022 1400.0 USD 935.9 GBP [Member] January 2023 1000.0 USD 648.6 GBP [Member] January 2023 1000.0 USD 648.6 GBP [Member] January 2023 1000.0 USD 648.6 GBP [Member] January 2021 447.9 USD 276.7 GBP [Member] January 2021 447.9 USD 276.7 GBP [Member] January 2021 447.9 USD 276.7 GBP [Member] October 2022 450.0 USD 272.0 GBP [Member] October 2022 450.0 USD 272.0 GBP [Member] October 2022 450.0 USD 272.0 GBP [Member] January 2022 425.0 USD 255.8 GBP [Member] January 2022 425.0 USD 255.8 GBP [Member] January 2022 425.0 USD 255.8 GBP [Member] January 2022 - January 2025 425.0 USD 255.8 GBP [Member] January 2022 - January 2025 425.0 USD 255.8 GBP [Member] January 2022 - January 2025 425.0 USD 255.8 GBP [Member] April 2019 191.5 USD 122.3 GBP [Member] April 2019 191.5 USD 122.3 GBP [Member] April 2019 191.5 USD 122.3 GBP [Member] April 2023 180.0 USD 112.5 GBP [Member] April 2023 180.0 USD 112.5 GBP [Member] April 2023 180.0 USD 112.5 GBP [Member] February 2022 - April 2023 175.0 USD 108.9 GBP [Member] February 2022 - April 2023 175.0 USD 108.9 GBP [Member] February 2022 - April 2023 175.0 USD 108.9 GBP [Member] October 2019 100.0 USD 65.4 GBP [Member] October 2019 100.0 USD 65.4 GBP [Member] October 2019 100.0 USD 65.4 GBP [Member] February 2022 100.0 USD 62.2 GBP [Member] February 2022 100.0 USD 62.2 GBP [Member] February 2022 100.0 USD 62.2 GBP [Member] November 2016 55.0 USD 27.7 GBP [Member] November 2016 55.0 USD 27.7 GBP [Member] November 2016 55.0 USD 27.7 GBP [Member] October 2019 - October 2022 50.0 USD 30.7 GBP [Member] October 2019 - October 2022 50.0 USD 30.7 GBP [Member] October 2019 - October 2022 50.0 USD 30.7 GBP [Member] January 2023 1140.0 USD 1043.7 EUR [Member] January 2023 1140.0 USD 1043.7 EUR [Member] January 2023 1140.0 USD 1043.7 EUR [Member] July 2021 440.0 USD 337.2 EUR [Member] July 2021 440.0 USD 337.2 EUR [Member] July 2021 440.0 USD 337.2 EUR [Member] January 2017 - July 2021 262.1 USD 194.1 EUR [Member] January 2017 - July 2021 262.1 USD 194.1 EUR [Member] January 2017 - July 2021 262.1 USD 194.1 EUR [Member] November 2019 250.0 USD 181.5 EUR [Member] November 2019 250.0 USD 181.5 EUR [Member] November 2019 250.0 USD 181.5 EUR [Member] November 2021 250.0 USD 181.4 EUR [Member] November 2021 250.0 USD 181.4 EUR [Member] November 2021 250.0 USD 181.4 EUR [Member] January 2020 170.6 USD 130.1 EUR [Member] January 2020 170.6 USD 130.1 EUR [Member] January 2020 170.6 USD 130.1 EUR [Member] October 2020 125.0 USD 91.3 EUR [Member] October 2020 125.0 USD 91.3 EUR [Member] October 2020 125.0 USD 91.3 EUR [Member] January 2020 81.9 USD 62.4 EUR [Member] January 2020 81.9 USD 62.4 EUR [Member] January 2020 81.9 USD 62.4 EUR [Member] January 2020 73.1 USD 55.7 EUR [Member] January 2020 73.1 USD 55.7 EUR [Member] January 2020 73.1 USD 55.7 EUR [Member] January 2022 49.4 USD 37.6 EUR [Member] January 2022 49.4 USD 37.6 EUR [Member] January 2022 49.4 USD 37.6 EUR [Member] December 2016 340.0 USD [Member] December 2016 340.0 USD [Member] December 2016 340.0 USD [Member] July 2016 225.0 USD 206.3 CHF [Member] July 2016 225.0 USD 206.3 CHF [Member] July 2016 225.0 USD 206.3 CHF [Member] July 2016 - January 2020 225.0 USD 206.3 CHF [Member] January 2020 225.0 USD 206.3 CHF [Member] January 2020 225.0 USD 206.3 CHF [Member] July 2021 200.0 USD 186.0 CHF [Member] July 2021 200.0 USD 186.0 CHF [Member] July 2021 200.0 USD 186.0 CHF [Member] January 2017 - July 2023 200.0 USD 185.5 CHF [Member] January 2017 - July 2023 200.0 USD 185.5 CHF [Member] January 2017 - July 2023 200.0 USD 185.5 CHF [Member] November 2021 175.0 USD 158.7 CHF [Member] November 2021 175.0 USD 158.7 CHF [Member] November 2021 175.0 USD 158.7 CHF [Member] January 2017 - July 2021 100.0 USD 92.8 CHF [Member] January 2017 - July 2021 100.0 USD 92.8 CHF [Member] January 2017 - July 2021 100.0 USD 92.8 CHF [Member] July 2016 201.5 USD 489.3 RON [Member] July 2016 201.5 USD 489.3 RON [Member] July 2016 201.5 USD 489.3 RON [Member] July 2016 - July 2020 201.5 USD 489.3 RON [Member] July 2020 201.5 USD 489.3 RON [Member] July 2020 201.5 USD 489.3 RON [Member] January 2021 720.8 EUR 877.0 CHF [Member] January 2021 720.8 EUR 877.0 CHF [Member] January 2021 720.8 EUR 877.0 CHF [Member] January 2017 - September 2022 383.8 EUR 477.0 CHF [Member] January 2017 - September 2022 383.8 EUR 477.0 CHF [Member] January 2017 - September 2022 383.8 EUR 477.0 CHF [Member] January 2017 360.4 EUR 589.0 CHF [Member] January 2015 - January 2017 360.4 EUR 589.0 CHF [Member] January 2015 - January 2017 360.4 EUR 589.0 CHF [Member] October 2016 285.1 EUR 346.7 CHF [Member] October 2016 285.1 EUR 346.7 CHF [Member] October 2016 285.1 EUR 346.7 CHF [Member] October 2016 - January 2020 285.1 EUR 346.7 CHF [Member] October 2016 - January 2020 285.1 EUR 346.7 CHF [Member] October 2016 - January 2020 285.1 EUR 346.7 CHF [Member] January 2020 175Euro 258.6Chf [Member] January 2020 175Euro 258.6Chf [Member] January 2020 175Euro 258.6Chf [Member] July 2020 107.4 EUR 129.0 CHF [Member] July 2020 107.4 EUR 129.0 CHF [Member] July 2020 107.4 EUR 129.0 CHF [Member] July 2023 85.3 EUR 95.0 CHF [Member] July 2023 85.3 EUR 95.0 CHF [Member] July 2023 85.3 EUR 95.0 CHF [Member] July 2021 76.1 EUR 92.1 CHF [Member] July 2021 76.1 EUR 92.1 CHF [Member] July 2021 76.1 EUR 92.1 CHF [Member] January 2017 75.0 EUR 110.9 CHF [Member] January 2017 75.0 EUR 110.9 CHF [Member] January 2017 75.0 EUR 110.9 CHF [Member] January 2020 318.9 EUR 8818.7 CZK [Member] January 2020 318.9 EUR 8818.7 CZK [Member] January 2020 318.9 EUR 8818.7 CZK [Member] January 2017 60.0 EUR 1703.1 CZK [Member] January 2017 60.0 EUR 1703.1 CZK [Member] January 2017 60.0 EUR 1703.1 CZK [Member] July 2017 39.6 EUR 1,000.0 CZK [Member] July 2017 39.6 EUR 1,000.0 CZK [Member] July 2017 39.6 EUR 1,000.0 CZK [Member] July 2016 260.0 EUR 75570.0 HUF [Member] January 2015 260.0 EUR 75570.0 HUF [Member] January 2015 260.0 EUR 75570.0 HUF [Member] July 2016 - January 2017 260.0 EUR 75570.0 HUF [Member] January 2015 to January 2017 260.0 EUR 75570.0 HUF [Member] January 2015 to January 2017 260.0 EUR 75570.0 HUF [Member] December 2021 150.0 EUR 43,367.5 HUF [Member] December 2021 150.0 EUR 43,367.5 HUF [Member] December 2021 150.0 EUR 43,367.5 HUF [Member] July 2018 78Euro 19500Huf [Member] July 2018 78Euro 19500Huf [Member] July 2018 78Euro 19500Huf [Member] January 2017 245.0 EUR 1000.6 PLN [Member] January 2015 - January 2017 245.0 EUR 1000.6 PLN [Member] January 2015 - January 2017 245.0 EUR 1000.6 PLN [Member] September 2016 200.0 EUR 892.7 PLN [Member] September 2016 200.0 EUR 892.7 PLN [Member] September 2016 200.0 EUR 892.7 PLN [Member] January 2020 144.6 EUR 605.0 PLN [Member] January 2020 144.6 EUR 605.0 PLN [Member] January 2020 144.6 EUR 605.0 PLN [Member] July 2017 82Euro 318Pln [Member] July 2017 82Euro 318Pln [Member] July 2017 82Euro 318Pln [Member] January 2022 2,350.0 USD 1,819.0 EUR [Member] January 2022 2,350.0 USD 1,819.0 EUR [Member] January 2022 2,350.0 USD 1,819.0 EUR [Member] January 2023 400.0 USD 339.0 EUR [Member] January 2023 400.0 USD 339.0 EUR [Member] January 2023 400.0 USD 339.0 EUR [Member] January 2023 2,450.0 USD 1,799.0 EUR [Member] January 2023 2,450.0 USD 1,799.0 EUR [Member] January 2023 2,450.0 USD 1,799.0 EUR [Member] January 2022 1,400.0 USD 760,340.0 CLP [Member] January 2022 1,400.0 USD 760,340.0 CLP [Member] January 2022 1,400.0 USD 760,340.0 CLP [Member] Unitymedia Hessen [Member] Unitymedia Hessen [Member] Unitymedia Hessen [Member] Principal Transaction Revenue [Table] Principal Transaction Revenue [Table] Principal Transaction Revenue, Description of Reporting Category [Axis] Principal Transaction Revenue, Description of Reporting Category [Axis] Name of Reporting Category [Domain] Name of Reporting Category [Domain] Video [Member] Video [Member] Video [Member] Broadband Internet [Member] Broadband Internet [Member] Broadband internet [Member] Telephony [Member] Telephony [Member] Telephony [Member] Cable Subscription [Member] Cable Subscription [Member] Cable Subscription [Member] Mobile [Member] Mobile [Member] Mobile [Member] Total Subscription [Member] Total Subscription [Member] Total Subscription [Member] Business to Business [Member] Business to Business [Member] Business to Business [Member] Other Category [Member] Other Category [Member] Other Category [Member] Mobile Interconnect [Member] Mobile Interconnect [Member] Mobile Interconnect [Member] SOHO Cable Subscription [Member] SOHO Cable Subscription [Member] SOHO Cable Subscription [Member] Total 2016 (remainder of year) Capital Leases, Future Minimum Payments, Remainder of Fiscal Year 2016 Capital Leases, Future Minimum Payments Due in Two Years 2017 Capital Leases, Future Minimum Payments Due in Three Years 2018 Capital Leases, Future Minimum Payments Due in Four Years 2019 Capital Leases, Future Minimum Payments Due in Five Years 2020 Capital Leases, Future Minimum Payments Due in Six Years Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date. Thereafter Capital Lease Future Minimum Payments Due After Year Six Contractually required rental payments on leases meeting the criteria for capitalization, due after the sixth year from the balance sheet date. Total principal and interest payments Capital Leases, Future Minimum Payments Due Amounts representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of net minimum lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Current portion Capital Lease Obligations, Current Noncurrent portion Capital Lease Obligations, Noncurrent European Operations Division United Kingdom [Member] European Operations Division United Kingdom [Member] European Operations Division United Kingdom [Member] European Operations Division Switzerland [Member] European Operations Division Switzerland [Member] European Operations Division Switzerland [Member] European Operations Division Poland [Member] European Operations Division Poland [Member] European Operations Division Poland [Member] European Operations Division Ireland [Member] European Operations Division Ireland [Member] European Operations Division Ireland [Member] European Operations Division Austria [Member] European Operations Division Austria [Member] European Operations Division Austria [Member] European Operations Division Hungary [Member] European Operations Division Hungary [Member] European Operations Division Hungary [Member] European Operations Division Czech Republic [Member] European Operations Division Czech Republic [Member] European Operations Division Czech Republic [Member] European Operations Division Romania [Member] European Operations Division Romania [Member] European Operations Division Romania [Member] European Operations Division Slovakia [Member] European Operations Division Slovakia [Member] European Operations Division Slovakia [Member] European Operations Division Other Europe [Member] European Operations Division Other Europe [Member] European Operations Division Other Europe [Member] Other, Including Intersegment Eliminations Geography Eliminations [Member]