Capital expenditures Accrued capital expenditures Carrying value as of the balance sheet date of accrued capital expenditures for long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. Mobile handsets Mobile handsets [Member] Mobile handsets Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Value of Equity Interest Issued Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Change in accrued expenses related to capital expenditures Changes in accrued expenses related to capital expenditures The increase (decrease) during the reporting period in the amounts payable for capital expenditures. Maximum contribution percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Adjustments to reconcile consolidated net income to net cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Statement [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Tax Jurisdiction of Domicile [Extensible Enumeration] Tax Jurisdiction of Domicile [Extensible Enumeration] Statistical Measurement [Domain] Statistical Measurement [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Repayments of long-term debt Repayments of Long-Term Debt U.S. federal tax at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Derivatives: Derivatives, Fair Value [Line Items] Balance, beginning of period Balance, end of period Supplier Finance Program, Obligation, Current Value of Charter Class A common stock acquired from Liberty Broadband from and after the date Liberty Broadband's exchangeable debentures are no longer outstanding Value of Charter Class A common stock acquired from Liberty Broadband from and after the date Liberty Broadband's exchangeable debentures are no longer outstanding Value of Charter Class A common stock acquired from Liberty Broadband from and after the date Liberty Broadband's exchangeable debentures are no longer outstanding Field and technology operations Field and network operations Field and network operations costs Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH NET INCREASE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Government subsidies executed agreements Government subsidies executed agreements Government subsidies executed agreements Schedule of future minimum lease payments for operating leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Intangible Asset, Indefinite-Lived [Table] Intangible Asset, Indefinite-Lived [Table] Debt instrument, amount of principal that may be redeemed (percentage) Debt Instrument Percentage Of Principal Amount That May Be Redeemed Percentage of principal amount of debt that may be redeemed. Unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Percentage of Voting Interests Acquired (percentage) Business Acquisition, Percentage of Voting Interests Acquired Interest payment obligation, year three Interest payment obligation, year three Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Non-NEOs Non-NEOs [Member] Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Employee Stock Ownership Plan (ESOP), Plan [Domain] Employee Stock Ownership Plan (ESOP), Plan [Domain] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Franchise fees and other franchise-related costs Franchise Fees Amount of fees incurred under multi-year franchise agreements and other franchise-related costs, such as public education grants, incurred under multi-year agreements. Total Cash Taxes Paid, Net Income Taxes Paid, Net Goodwill Policy Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Residential revenue Residential Product Line [Member] Residential Product Line [Member] Accounts receivable, allowance for doubtful accounts Balance Balance Accounts Receivable, Allowance for Credit Loss, Current Common Class A [Member] Common Class A [Member] Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Equity method investments Equity Method Investments RDOF subsidy revenue Government Assistance, Operating Income, Increase (Decrease) Pay vs Performance Disclosure [Line Items] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Accounts receivable Increase (Decrease) in Accounts Receivable Cross Currency Derivatives Currency Swap [Member] COSTS AND EXPENSES: Operating Costs and Expenses [Abstract] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Government Assistance, Asset, Decrease, Noncurrent, Statement of Financial Position [Extensible Enumeration] Government Assistance, Asset, Decrease, Noncurrent, Statement of Financial Position [Extensible Enumeration] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Equity in income of subsidiaries Income (Loss) from Subsidiaries, before Tax Award Timing Disclosures [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Tax liability on GCI spin off Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Operating Leases Lessee, Operating Leases [Text Block] Operating Lease Expense Operating Lease, Cost Receivables from related party Other Receivables, Net, Current Credit facilities Credit facilities [Member] Credit facilities Gain on sale of towers Gain (Loss) on Disposition of Intangible Assets Term Loan B-3 Term Loan B-3 [Member] Term Loan B-3 Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Noncurrent portion of operating lease liability Operating Lease, Liability, Noncurrent Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid 5.125% senior secured notes due May 1, 2027 5.125% senior secured notes due May 1, 2027 [Member] 5.125% senior secured notes due May 1, 2027 Segment Reporting, Policy Segment Reporting, Policy [Policy Text Block] Revenue from Contract with Customer [Abstract] Customer prepayments and upfront deferred installation fees Contract with Customer, Liability, Current OTHER NONCURRENT ASSETS Other Assets, Noncurrent Entity Tax Identification Number Entity Tax Identification Number Leases [Abstract] Leases [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Senior Secured Notes and Debentures Senior Secured Notes and Debentures [Member] Senior Secured Notes and Debentures Supplier Finance Program [Domain] Supplier Finance Program [Domain] 2029 Contractual Obligation, to be Paid, Year Four Net cash flows from operating activities NET CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Other expense Other Cost and Expense, Operating INVESTMENT IN CABLE PROPERTIES: Investment In Cable Properties [Abstract] Schedule of Contractual Obligation Payments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Equity Components [Axis] Equity Components [Axis] Award Timing Method Award Timing Method [Text Block] Net periodic pension benefit (costs) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Stock options expected to vest weighted average exercise price, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Defined Benefit Pension Plans Policy Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] Distributions to parent Payments of Capital Distribution Equipment Installment Plan Receivables, Allowance for Doubtful Accounts, Noncurrent Contract with Customer, Asset, Allowance for Credit Loss, Noncurrent Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Insider Trading Policies and Procedures [Line Items] Use of Estimates, Policy Use of Estimates, Policy [Policy Text Block] State grants State grants [Member] State grants Total costs and expenses Costs and Expenses Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Video Residential Video Product Line [Member] Residential Video Product Line [Member] Debt Instrument, Collateral Amount Debt Instrument, Collateral Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Stock options outstanding aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Payables and Accruals [Abstract] Payables and Accruals [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Contribution of net assets acquired by parent Contribution of net assets acquired Contribution of net assets acquired Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Entity Small Business Entity Small Business Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Company Selected Measure Amount Company Selected Measure Amount Payments for debt issuance costs Payments of Debt Issuance Costs Tabular List, Table Tabular List [Table Text Block] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Level 3 Fair Value, Inputs, Level 3 [Member] Equipment Installment Plan Financing Facility Equipment Installment Plan Financing Facility [Text Block] The entire disclosure for the Equipment Installment Plan Financing Facility Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Expected long-term rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Allowance for Doubtful Accounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] Stock Issued During Period, Shares, Employee Stock Purchase Plans Stock Issued During Period, Shares, Employee Stock Purchase Plans Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Group annuity contract(b) Terminal Funding Annuity [Member] Valuation of Long-Lived Assets Policy Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Sterling Senior Notes Sterling Senior Notes [Member] British pound sterling denominated senior notes Class C Common Stock Common Class C [Member] CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period CASH AND CASH EQUIVALENTS, beginning of period CASH AND CASH EQUIVALENTS, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Weighted Average Interest Rate Debt, Weighted Average Interest Rate Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Franchises Indefinite-Lived Franchise Rights Includes accrued liabilities and excludes accrued investment income and other receivables and investments measured at NAV Includes accrued liabilities and excluded accrued investment income and other receivables and investments measured at NAV [Member] Includes accrued liabilities and excluded accrued investment income and other receivables and investments measured at NAV CURRENT ASSETS: Assets, Current [Abstract] Goodwill Goodwill Goodwill Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Entity Information [Line Items] Entity Information [Line Items] Stock Options Share-Based Payment Arrangement, Option [Member] Parent Company Only Financial Statements [Abstract] Parent Company Only Financial Statements Restricted stock award vested weighted average grant price Restricted stock units vested weighted average grant price Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Depreciation expense Depreciation 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Other, net Proceeds from (Payments for) Other Financing Activities Unrealized loss Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Charter Operating consolidated leverage ratio Charter Operating consolidated leverage ratio [Member] Charter Operating consolidated leverage ratio Income allocated to limited liability companies not subject to income taxes (percentage) Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Maximum Employee Contribution Amount Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Contribution Amount The maximum amount of annual salary that an employee is permitted to utilize with respect to the plan. Basis spread on variable interest rate (percentage) Debt Instrument, Basis Spread on Variable Rate Award Type [Axis] Award Type [Axis] Net deferred tax liabilities Deferred Tax Liabilities, Net Equity Interest Type [Axis] Equity Interest Type [Axis] Stock options exercised weighted average exercise price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Contributions from parent Contributions from parent Contributions from parent Property, plant and equipment, net of accumulated depreciation of $41,311 and $39,216, respectively Property, plant and equipment, net Property, Plant and Equipment, Net ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag State income taxes Current State and Local Tax Expense (Benefit) Noncontrolling interests Equity, Attributable to Noncontrolling Interest Unamortized basis difference for equity-method investments acquired Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Stock options exercisable weighted average exercise price, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Revolving Credit Facility Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Borrowings of equipment installment plan financing facility Borrowings of equipment installment plan financing facility Proceeds from borrowings of equipment installment plan financing facility Programming costs Program Rights Obligations, Current Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other costs of revenue Other costs of revenue Other costs of revenue Equity Method Investee Equity Method Investee [Member] Operating Lease, Liability, Current Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Schedule of Investment Assets by Fair Value Heirarchy Level Defined Benefit Plan, Plan Assets, Category [Table Text Block] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Schedule of Restricted Stock Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Entity [Domain] Entity [Domain] Conversion of Stock, Shares Issued (in shares) Conversion of Stock, Shares Issued Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Derivative Liability Derivative Liability Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Property, plant and equipment, accumulated depreciation Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, gross Property, Plant and Equipment, Gross Retirement Plan Name [Axis] Retirement Plan Name [Axis] Stock options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Long-Term Debt assumed in business combination Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt Transfer to defined contribution plans Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Lump sum cash settlement Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Long-Term Debt: Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Basis of Accounting, Policy Basis of Accounting, Policy [Policy Text Block] Leverage ratio Ratio of Indebtedness to Net Capital MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Lump sum cash settlement Defined Benefit Plan, Plan Assets, Payment for Settlement Member’s equity Equity, Attributable to Parent Total gross deferred tax assets Deferred Tax Assets, Gross Entity Voluntary Filers Entity Voluntary Filers Related Party Related Party [Member] Remeasurement gain (loss) Defined Benefit Plan, Amortization of Gain (Loss) Small business Commercial Small and Medium Business Product Line [Member] Commercial Small and Medium Business Product Line [Member] Deferred income taxes Deferred income tax expense Deferred Income Tax Expense (Benefit) Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Discount rate assumption used to calculate benefit obligation (percentage) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate The Malone Group The Malone Group [Member] The Malone Group Letters of credit, amount Letters of credit outstanding Letters of Credit Outstanding, Amount HSN and QVC HSN and QVC [Member] HSN and QVC Uncollected balances written off, net of recoveries Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts receivable, less allowance for doubtful accounts of $219 and $204, respectively Accounts Receivable, after Allowance for Credit Loss, Current Stock Conversion Description [Axis] Stock Conversion Description [Axis] Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Shares authorized under the the stock incentive plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Carrying Value Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Document Fiscal Period Focus Document Fiscal Period Focus Fair value of plan assets at beginning of year Fair value of plan assets at end of year Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount Obligations confirmed during the year Supplier Finance Program, Obligation, Addition Liberty Broadband Liberty Broadband [Member] Liberty Broadband Merger and acquisition costs Business Combination, Acquisition Related Costs 2029 Long-Term Debt, Maturity, Year Four All Executive Categories All Executive Categories [Member] Thereafter Long-Term Debt, Maturity, after Year Five Defined contribution plan, employer matching contribution (percentage) Defined Contribution Plan, Employer Matching Contribution, Percent of Match 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Stock options outstanding weighted average remaining contractual life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Condensed Financial Statements Condensed Financial Statements [Table Text Block] Mergers and Acquisitions Disclosures Mergers, Acquisitions and Dispositions Disclosures [Text Block] ASSETS Assets [Abstract] Document Type Document Type Derivative Contract [Domain] Derivative Contract [Domain] Commitment fee (percentage) Line of Credit Facility, Commitment Fee Percentage Maximum contribution percentage Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Gain (loss) on financial instruments, net Gain (loss) on financial instruments, net (see Note 11) Gain (Loss) on Derivative Instruments, Net, Pretax Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] GAC settlement transfer of obligations, plan assets GAC settlement transfer of obligations, plan assets Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes purchasing nonparticipating annuity contract. EQUIPMENT INSTALLMENT PLAN FINANCING FACILITY EQUIPMENT INSTALLMENT PLAN FINANCING FACILITY Amount, after deduction of debt issuance cost, of equipment installment plan financing facility classified as noncurrent. Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Document Annual Report Document Annual Report Conversion price (amount per share) Conversion price (amount per share) The price per unit of the conversion feature Defined Benefit Plan [Table] Defined Benefit Plan [Table] Restricted stock award, vested (in shares) Restricted stock units, vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Depreciation and amortization Depreciation, Amortization and Accretion, Net Schedule of Expected Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Common stock voting power (percentage) Common stock voting power percentage Common stock voting power percentage Risk-free interest rate (percentage) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Parent Company [Member] Parent Company [Member] GAC buy-out Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Maximum Maximum [Member] Amortization expense Amortization of Intangible Assets Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Net Carrying Amount Finite-Lived Intangible Assets, Net Furniture, fixtures and equipment Furniture and Fixtures [Member] Accounting Policies [Abstract] Voice Residential Voice Product Line [Member] Residential Voice Product Line [Member] Receivables from related party Nontrade Receivables RDOF subsidy RDOF subsidy [Member] RDOF subsidy Fair Value Measurements Policy Fair Value Measurement, Policy [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Undiscounted lease cash flow commitments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Schedule of Property, Plant and Equipment Useful Lives Property, plant and equipment, useful lives [Table Text Block] Tabular disclosure of the useful lives of property, plant and equipment Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 401(k) Plan 401(k) Plan [Member] 401(k) Plan [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Award Type [Domain] Award Type [Domain] Gregory Maffei Gregory Maffei [Member] Gregory Maffei Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Name Outstanding Recovery, Individual Name Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Wireless spectrum licenses Licensing Agreements [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Utility pole rental fees Pole Rental Fees Amount of fees incurred for attachment of cable lines to utility poles owned by third-party utility companies under. Such pole rental agreements are cancelable on short notice. Charter Operating Charter Operating [Member] Charter Operating [Member] Schedule of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Non-PEO NEO Non-PEO NEO [Member] Customer relationships, useful life Finite-Lived Intangible Asset, Useful Life Employee Stock Ownership Plan (ESOP) Name [Axis] Employee Stock Ownership Plan (ESOP) Name [Axis] Gain (loss) on financial instruments, net: Gain (Loss) On Financial Instruments, Net [Abstract] Gain (Loss) On Financial Instruments, Net [Abstract] Time Warner Cable, LLC Time Warner Cable LLC [Member] Time Warner Cable LLC Repayments of loans payable - related parties, net Proceeds from (Repayments of) Notes Payable Award Timing Predetermined Award Timing Predetermined [Flag] Reconciling impact from discounting Reconciling impact from discounting capital lease liabilities Reconciling impact from discounting capital lease liabilities Subsequent Event Type [Domain] Subsequent Event Type [Domain] Contributions from parent Proceeds from Contributions from Parent Employee Benefit Plans Retirement Benefits [Text Block] Cox - Contribution Cox - Contribution [Member] Cox - Contribution Debt instrument redemption price (percentage) Debt Instrument, Redemption Price, Percentage Customer relationships Customer Relationships [Member] Income allocated to limited liability companies not subject to income taxes Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Class of Stock [Axis] Class of Stock [Axis] Long-Term Debt Long-Term Debt [Text Block] Total investment in cable properties, net Total investment in cable properties, net Sum of carrying amounts as of the balance sheet date of property, plant and equipment, franchises, customer relationships, net and goodwill. Vehicles and equipment Vehicles and equipment [Member] Vehicles and equipment [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Name Measure Name Entity Interactive Data Current Entity Interactive Data Current State Broadband Grants Government Assistance, Asset, Decrease, Noncurrent Current income tax expense Current Income Tax Expense (Benefit) Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Cash paid for U.S federal income taxes, net Income Tax Paid, Federal, after Refund Received Special charges, net Other Nonrecurring (Income) Expense CCO Holdings Member’s Equity Member Units [Member] Finite-Lived Policy Intangible Assets, Finite-Lived, Policy [Policy Text Block] Total member’s equity Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Government Assistance, Type [Axis] Government Assistance, Type [Axis] Retirement Benefits [Abstract] Defined contribution plan, employer matching contribution percent of employees' gross pay (percentage) Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Stock compensation expense Share-Based Payment Arrangement, Noncash Expense Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Accrued and other Deferred Tax Liabilities, Other Marketing and residential sales Selling and Marketing Expense Consolidated net income Consolidated net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cox - $1.00 Cox - $1.00 [Member] Cox - $1.00 Income tax expense Income tax expense Income Tax Expense (Benefit) Interest cost Interest Cost Defined Benefit Plan, Interest Cost Stated interest rate (percentage) Debt Instrument, Interest Rate, Stated Percentage Notional amount Derivative, Notional Amount Stock options canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Remaining period over which unrecognized compensation expense is expected to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Other expenses, net Other income (expense), net Nonoperating Income (Expense) Dividend rate of preferred unit (percentage) Preferred Stock, Dividend Rate, Percentage 6.700% senior secured notes due December 1, 2055 6.700% senior secured notes due December 1, 2055 [Member] 6.700% senior secured notes due December 1, 2055 Auditor Firm ID Auditor Firm ID Effective Income Tax Rate (percentage) Effective Income Tax Rate Reconciliation, Percent Net cash flows from investing activities Net cash flows from investing activities Net Cash Provided by (Used in) Investing Activities Income from operations Operating Income (Loss) Distributions to parent Distributions to parent Distributions to parent Franchises Franchise Rights [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Number of reportable segments Number of Reportable Segments Total liabilities and member’s equity Total liabilities and member’s equity Liabilities and Equity 5.850% senior secured notes due December 1, 2035 5.850% senior secured notes due December 1, 2035 [Member] 5.850% senior secured notes due December 1, 2035 Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Labor Employee-related Liabilities, Current Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Equipment Installment Plan Receivables, Noncurrent Contract with Customer, Receivable, after Allowance for Credit Loss, Noncurrent Accounting for Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Interest expense, net Interest expense, net Interest Income (Expense), Nonoperating Legal Entity [Axis] Legal Entity [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Long-Term Debt Future Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Defined Contribution Plan Disclosure [Line Items] Defined Contribution Plan Disclosure [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Individual: Individual [Axis] Buildings and improvements Building and Building Improvements [Member] Interest payment obligation, year one Interest payment obligation, year one Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Restricted cash Restricted Cash Expected life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term CCO Holdings Capital Corp. CCO Holdings Capital Corp. [Member] CCO Holdings Capital Corp. Product and Service [Axis] Product and Service [Axis] Interest payment obligation, thereafter Interest payment obligation, thereafter Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Entity Address, State or Province Entity Address, State or Province Property, Plant and Equipment Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Net periodic pension benefit (costs) (see Note 18) Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] 2027 Contractual Obligation, to be Paid, Year Two Accounts payable – trade Accounts Payable, Trade, Current Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Restricted stock outstanding weighted average grant price, beginning of period Restricted stock outstanding weighted average grant price, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value LIABILITIES AND MEMBER’S EQUITY Liabilities and Equity [Abstract] Interest payment obligation, year two Interest payment obligation, year two Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] 2030 Contractual Obligation, to be Paid, Year Five Derivative Instruments Policy Derivatives, Policy [Policy Text Block] 5.250% Sterling Senior Notes Due July 15, 2042 5.250% Sterling Senior Notes Due July 15, 2042 [Member] 5.250% Sterling Senior Notes Due July 15, 2042 Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] 7.000% senior secured notes due February 1, 2033 7.000% senior secured notes due February 1, 2033 [Member] 7.000% senior secured notes due February 1, 2033 Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Related Party Transactions [Abstract] Related Party Transactions [Abstract] OTHER INCOME (EXPENSES): Other Expenses [Abstract] GAC settlement transfer of obligations GAC settlement transfer of obligations Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes purchase of nonparticipating annuity contract. Parent Company Only Financial Statements Condensed Financial Information of Parent Company Only Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Convertible Preferred Units Convertible Preferred Units [Member] Convertible Preferred Units Stock options outstanding weighted average exercise price, beginning of period Stock options outstanding weighted average exercise price, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Contractual Obligation Payment Schedule [Table] Contractual Obligation Payment Schedule [Table] Contractual Obligation Payment Schedule [Table] Stock options outstanding, beginning of period (in shares) Stock options outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Condensed Financial Information Disclosure [Abstract] Charged to expense Accounts Receivable, Credit Loss Expense (Reversal) Distributions from subsidiaries Distributions from subsidiaries Payments from subsidiaries Term Loan B-4 Term Loan B-4 [Member] Term Loan B-4 Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] U.S. federal tax at statutory rate (percentage) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Derivative Instrument [Axis] Derivative Instrument [Axis] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Exercise Price Award Exercise Price Schedule of Deferred Tax Assets (Liabilities) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Member] Franchises, Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Restricted stock award granted weighted average grant price Restricted stock units granted weighted average grant price Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Total investments Investments Income Taxes Policy Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] PEO PEO [Member] Obligations paid during the year Supplier Finance Program, Obligation, Settlement Government Assistance [Line Items] Government Assistance [Line Items] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] Name Trading Arrangement, Individual Name Funded (unfunded) status Defined Benefit Plan, Funded (Unfunded) Status of Plan Other investments Other Investments 6.150% senior secured notes due November 10, 2026 6.150% senior secured notes due November 10, 2026 [Member] 6.150% senior secured notes due November 10, 2026 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Accounts Payable and Accrued Liabilities [Abstract] Accounts Payable and Accrued Liabilities [Abstract] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Net losses from equity-method investments Loss on equity investments, net (see Note 6) Income (Loss) from Equity Method Investments Stock options expected to vest, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Projected benefit obligation at beginning of year Projected benefit obligation at end of year Defined Benefit Plan, Benefit Obligation Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Cox - Equity Sale Cox - Equity Sale [Member] Cox - Equity Sale Related Party [Domain] Related and Nonrelated Parties [Domain] Accounts payable, accrued and other current liabilities Total Accounts Payable and Accrued Liabilities, Current Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Revolving Loan B Revolving Loan B [Member] Revolving Loan B Interest payment obligation, year five Interest payment obligation, year five Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Change in fair value of cross-currency derivative instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Local Phone Number Local Phone Number Disaggregation of Revenue [Abstract] Supplier Finance Program [Axis] Supplier Finance Program [Axis] Contribution to subsidiaries Contribution to subsidiaries Investments in subsidiaries Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Defined Benefit Plan, Plan Assets, Amount transferred to defined contribution plan Defined Benefit Plan, Plan Assets, Amount transferred to defined contribution plan Defined Benefit Plan, Plan Assets, Amount transferred to defined contribution plan Surety bonds Guarantor Obligations, Current Carrying Value Contractual Obligation Payment Schedule [Line Items] Contractual Obligation Payment Schedule [Line Items] Contractual Obligation Payment Schedule [Line Items] Total other income (expenses), net Total Nonoperating Income Expense including Interest Expense, Net Total Nonoperating Income Expense including Interest Expense, Net Operating costs and expenses (exclusive of items shown separately below) Operating costs and expenses Operating Expenses DEFERRED INCOME TAXES Deferred Income Tax Liabilities, Net Expected volatility rate (percentage) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Schedule of Restricted Stock Unit Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] 5.750% Sterling Senior Notes Due June 2, 2031 5.750% Sterling Senior Notes Due June 2, 2031 [Member] 5.750% Sterling Senior Notes Due June 2, 2031 Requisite Service Period (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Changes in operating assets and liabilities, net of effects from acquisitions and dispositions: Increase (Decrease) in Operating Capital [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Number of Shares of Equity Interest Issued (shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Interest Interest Payable, Current Cash and Cash Equivalents Policy Cash and Cash Equivalents, Policy [Policy Text Block] Impairment on a non-strategic asset Impairment of Intangible Assets, Finite-Lived Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Equipment Installment Plan Receivables, Current Contract with Customer, Receivable, after Allowance for Credit Loss, Current Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Debt Disclosure [Abstract] Debt Disclosure [Abstract] Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Impairment of long-lived assets held-for-use Impairment, Long-Lived Asset, Held-for-Use Measure: Measure [Axis] Additions on current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 2028 Contractual Obligation, to be Paid, Year Three Investments [Abstract] Investments [Abstract] Commercial revenue Commercial Product Line [Member] Commercial Product Line [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Entity Emerging Growth Company Entity Emerging Growth Company Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] CCO Holdings member's equity Members' Equity Segment Reporting [Abstract] Defined Benefit Plan, Plan Assets, Payment for Settlement, Annuity Defined Benefit Plan, Plan Assets, Payment for Settlement, Annuity Defined Benefit Plan, Plan Assets, Payment for Settlement, Annuity Entity Central Index Key Entity Central Index Key 2030 Long-Term Debt, Maturity, Year Five Internet Residential Internet Product Line [Member] Residential Internet Product Line [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Programming Programming Expense Programming Expense Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Accounts payable, accrued liabilities and other Increase (Decrease) in Accounts Payable and Accrued Liabilities Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Customer premise equipment and installations Customer equipment and installations [Member] Customer equipment and installations [Member] Equity Component [Domain] Equity Component [Domain] Customer relationships, net Customer relationships, net Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the value of the business relationship with existing customers (less anticipated churn). Liberty Broadband Combination Liberty Broadband Combination [Member] Liberty Broadband Combination Segment Reporting Disclosure Segment Reporting Disclosure [Text Block] Current portion of long-term debt Long-Term Debt, Current Maturities 7.375% senior secured notes due February 1, 2036 7.375% senior secured notes due February 1, 2036 [Member] 7.375% senior secured notes due February 1, 2036 Schedule of Gain (Loss) on Financial Instruments, Net Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] The Maffei Group The Maffei Group [Member] The Maffei Group Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Recently Issued Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Stock compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Restricted Stock Restricted Stock [Member] Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Contract acquisition and fulfillment costs Capitalized Contract Cost, Net Common Class B [Member] Common Class B [Member] Title Trading Arrangement, Individual Title Receivables from and payables to related party Increase (Decrease) in Other Current Assets and Liabilities, Net Principal amount, repurchased Debt Instrument, Repurchased Face Amount Indefinite-Lived Policy Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Supplier Finance Program [Table] Supplier Finance Program [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Statement [Table] Statement [Table] Defined Contribution Plan [Table] Defined Contribution Plan [Table] Retirement Accumulation Plan Retirement Accumulation Plan [Member] Retirement Accumulation Plan [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Unrecognized tax benefits, beginning balance Unrecognized tax benefits, ending balance Unrecognized Tax Benefits City Area Code City Area Code CURRENT LIABILITIES: Liabilities, Current [Abstract] Auditor Location Auditor Location Advertising sales Advertising sales [Member] Advertising sales [Member] Government subsidies awarded Government Assistance, Award Amount CASH PAID FOR INTEREST Interest Paid, Excluding Capitalized Interest, Operating Activities Revenue Recognition Policy Revenue [Policy Text Block] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes Level 1 Fair Value, Inputs, Level 1 [Member] Audit Information [Abstract] Audit Information (Gain) loss on disposal of assets, net Gain (Loss) on Disposition of Assets Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Availability under credit facilities Line of Credit Facility, Remaining Borrowing Capacity Stock options exercisable, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 2028 Long-Term Debt, Maturity, Year Three Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer LONG-TERM DEBT Long-Term Debt, Excluding Current Maturities Short-term borrowings Other Short-Term Borrowings Stock options granted weighted average grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Accounting for Derivative Instruments and Hedging Activities [Abstract] Accounting for Derivative Instruments and Hedging Activities [Abstract] Accounting for Derivative Instruments and Hedging Activities [Abstract] A/N’s share of the tax benefit realized by Charter pursuant to the Tax Receivable Agreement (percentage) A/N's Percent Share Of Tax Benefit Under Tax Receivable Agreement Percent share of the tax benefit realized by Charter from the step-up in tax basis resulting from any future exchange or sale of the preferred and common units owed to A/N, which is pursuant to a tax receivable agreement between Charter and A/N. Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Subsequent Event Type [Axis] Subsequent Event Type [Axis] Other intangible assets Other Intangible Assets [Member] Income Taxes Income Tax Disclosure [Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Class of Stock [Domain] Class of Stock [Domain] Stock options canceled weighted average exercise price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Related Party Transactions: Related Party Transaction [Line Items] Debt instrument redemption price in the event of change of control events (percentage) Debt Instrument Redemption Price Percentage Change Of Control Event Percentage price of original principal amount of debt at which debt can be redeemed by the issuer in the event of change of control events. Supplier Finance Program Supplier Finance Program [Table Text Block] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] 2027 Long-Term Debt, Maturity, Year Two Charter Operating consolidated first lien leverage ratio Charter Operating consolidated first lien leverage ratio [Member] Charter Operating consolidated first lien leverage ratio Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Weighted average discount rate - operating leases (percentage) Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Liability Operating Lease, Liability Accrued investment income and other receivables Accrued investment income and other receivables [Member] Accrued investment income and other receivables Net cash flows from financing activities Net cash flows from financing activities Net Cash Provided by (Used in) Financing Activities Value of Charter Class A common stock acquired from Liberty Broadband during pendency of Liberty Broadband combination Value of Charter Class A common stock acquired from Liberty Broadband during pendency of Liberty Broadband combination Value of Charter Class A common stock acquired from Liberty Broadband during pendency of Liberty Broadband combination Underlying Securities Award Underlying Securities Amount Deferred revenue Deferred Revenue, Current Indefinite-lived intangible assets and goodwill Indefinite Lived Intangible Assets Including Goodwill Sum of the carrying amounts as of the balance sheet date of intangible assets having a projected indefinite period of benefit. Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Amendment Flag Amendment Flag Fair Value Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Payments to Acquire Businesses Payments to Acquire Businesses, Gross Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] State income taxes Deferred State and Local Income Tax Expense (Benefit) Fair Value as of Grant Date Award Grant Date Fair Value Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Stock options expected to vest aggregate intrinsic value, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Level 2 Fair Value, Inputs, Level 2 [Member] Condensed Income Statement [Table] Condensed Income Statement [Table] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] MEMBER’S EQUITY: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Debt instrument, required periodic principal payments Debt Instrument Payment Terms Periodic Principal Payment Amount of required periodic principal payment. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward] Principal Amount Debt Instrument, Face Amount Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code EIP Unpaid Principal Balance EIP Unpaid Principal Balance Total amount of the unpaid principal balance of equipment installment plan receivables included within accounts receivable, net and other noncurrent assets Consolidation Policy Consolidation, Policy [Policy Text Block] Distributions to noncontrolling interest Payments of Ordinary Dividends, Noncontrolling Interest Restatement Determination Date: Restatement Determination Date [Axis] Schedule of other balance sheet accounts Schedule of other balance sheet accounts [Table Text Block] Schedule of other balance sheet accounts Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Transition expenses Business Combination, Integration Related Costs Mobile service Residential Mobile Service Product Line [Member] Residential Mobile Service Product Line Share-Based Payment Arrangement [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Other, net Payments for (Proceeds from) Other Investing Activities State and local income taxes, net of federal income tax effect (percentage) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Debt instrument issue price (percentage) Debt instrument issue price (percentage) Percentage price of original principal amount of debt at which debt was issued. Revolving Loan C Revolving Loan C [Member] Revolving Loan C Auditor Name Auditor Name Accrued and other Deferred Tax Assets, Other Accrued and other current liabilities: Accrued Liabilities, Current [Abstract] Finite-Lived Intangible Assets: Finite-Lived Intangible Assets [Line Items] Restricted stock award canceled weighted average grant price Restricted stock units canceled weighted average grant price Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Schedule of investments Investment [Table Text Block] Gain (Loss) on Extinguishment of Debt Gain (loss) on extinguishment of debt (see Note 9) Gain (Loss) on Extinguishment of Debt Indefinite-lived Intangible Assets: Indefinite-Lived Intangible Assets [Line Items] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Reductions on settlements with taxing authorities and expirations Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities and Lapse of Applicable Statute of Limitations Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities and lapses of applicable statutes of limitations. State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Property, plant and equipment, useful life (in years) Property, Plant and Equipment, Useful Life Roll Forward of Stock Options Outstanding: Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Deferred tax liabilities Deferred Tax Liabilities, Gross Operating Lease Payments Operating Lease, Payments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Contractual Obligation Contractual Obligation Award expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Debt Instrument, Issued, Principal Debt Instrument, Issued, Principal Foreign currency remeasurement of Sterling Notes to U.S. dollars Realized Gain (Loss), Foreign Currency Transaction, before Tax 2026 Contractual Obligation, to be Paid, Year One Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Government Assistance Policy Government Assistance [Policy Text Block] Property, Plant and Equipment Policy Property, Plant and Equipment, Policy [Policy Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Indefinite-lived intangibles Deferred Tax Liabilities, Intangible Assets Total current liabilities Current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total assets Total assets Assets CCO Holdings CCO holdings [Member] Another company which is controlled, directly or indirectly, by its parent. The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree. 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Advertising Costs Policy Advertising Cost [Policy Text Block] Restricted stock awards, granted (in shares) Restricted stock units, granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment OTHER LONG-TERM LIABILITIES Other long-term liabilities Other Liabilities, Noncurrent EIP Financing Facility EIP Financing Facility [Member] EIP Financing Facility Supplier Finance Program [Line Items] Supplier Finance Program [Line Items] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Stock-Based Compensation Policy Share-Based Payment Arrangement [Policy Text Block] Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Schedule of Effective Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Termination Date Trading Arrangement Termination Date Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Related Party Transaction [Table] Related Party Transaction [Table] REVENUES Revenues 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Thereafter Contractual Obligation, to be Paid, after Year Five 2026 Long-Term Debt, Maturity, Year One Stock Compensation Plans Share-Based Payment Arrangement [Text Block] Liberty Broadband's equity percentage in Charter after Charter's buyback of Liberty Broadband shares during pendency of Liberty Broadband combination (percentage) Liberty Broadband's equity percentage in Charter after Charter's buyback of Liberty Broadband shares during pendency of Liberty Broadband combination Liberty Broadband's equity percentage in Charter after Charter's buyback of Liberty Broadband shares during pendency of Liberty Broadband combination Entity Address, City or Town Entity Address, City or Town Total interest payment obligation Total interest payment obligation Amount of total interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Borrowings of long-term debt Proceeds from Issuance of Long-Term Debt Customer operations Customer operations Customer operations costs Leases Policy Lessee, Leases [Policy Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Stock options exercised aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Asset Retirement Obligations Policy Asset Retirement Obligation [Policy Text Block] Stock compensation expense (see Note 14) Share-Based Payment Arrangement, Expense Net income attributable to CCO Holdings member Net income Net Income (Loss) Attributable to Parent Other operating expenses, net Other operating (income) expense, net Other Operating Income (Expense), Net Trading Arrangement: Trading Arrangement [Axis] Revenue from Contract with Customer, Including Assessed Tax Revenue from Contract with Customer, Including Assessed Tax Stock options granted weighted average exercise price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Noncash interest, net Amortization of Debt Discount (Premium) Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Defined contribution plan, employer's contributions Defined Contribution Plan, Employer Discretionary Contribution Amount A/N A/N [Member] A/N Restricted stock award, canceled (in shares) Restricted stock units, canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Business Acquisition [Axis] Business Acquisition [Axis] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Term Loan B-5 Term Loan B-2 [Member] Term Loan B-2 Entity File Number Entity File Number Schedule of Assumptions Used in the Calculation of Net Benefit Cost Defined Benefit Plan, Assumptions [Table Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Revenue from Contract with Customer Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Government Assistance, Type [Domain] Government Assistance, Type [Domain] Noncontrolling Interests Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Components of Income Tax Expense (Benefit) [Abstract] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal income taxes Current Federal Tax Expense (Benefit) Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other Other Accrued Liabilities, Current Name Forgone Recovery, Individual Name Stock options exercisable aggregate intrinsic value, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Collective trust funds(a) Common Collective Trust [Member] Weighted average remaining operating lease term (in years) Operating Lease, Weighted Average Remaining Lease Term 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Government Assistance [Table] Government Assistance [Table] Document Period End Date Document Period End Date Investment, Policy Investment, Policy [Policy Text Block] Other, net Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Restricted stock outstanding, beginning of period (in shares) Restricted stock outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Schedule of supplemental balance sheet information Supplemental Balance Sheet Disclosures [Text Block] Activity on prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 5.500% senior secured notes due May 1, 2026 5.500% senior secured notes due May1, 2026 [Member] 5.500% senior secured notes due May1, 2026 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Payments to Related Party Related Party Transaction, Purchases from Related Party Accumulated benefit obligation at end of year Defined Benefit Plan, Accumulated Benefit Obligation Cash paid (received) for state and local income taxes, net Income Tax Paid, State and Local, after Refund Received Connectivity Connectivity [Member] Connectivity Adjustment to Compensation: Adjustment to Compensation [Axis] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Less: Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Document Transition Report Document Transition Report Term Loan A-6 Term Loan A-6 [Member] Term Loan A-6 Roll Forward of Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Other Other services [Member] Other services [Member] Entity Current Reporting Status Entity Current Reporting Status Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Interest payment obligation, year four Interest payment obligation, year four Amount of interest payment obligation on long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Cable distribution systems Cable distribution systems [Member] Cable distribution systems [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Qurate Qurate [Member] Qurate Balance Balance Equity, Including Portion Attributable to Noncontrolling Interest Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Term Loan A-7 Term Loan A-5 [Member] Term Loan A-5 Roll Forward of Consolidated Member's Equity: Increase (Decrease) in Stockholders' Equity [Roll Forward] Components of Deferred Tax Assets (Liabilities): Components of Deferred Tax Assets and Liabilities [Abstract] Supplier Finance Program, Obligation [Roll Forward] Supplier Finance Program, Obligation [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Schedule of Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Changes in Projected Benefit Obligations and Fair Value of Plan Assets Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Entity Filer Category Entity Filer Category Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Schedule of Cash Taxes Paid Schedule of Cash Taxes Paid [Table Text Block] Schedule of Cash Taxes Paid Company Selected Measure Name Company Selected Measure Name Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Mid-market & large business Commercial Enterprise Product Line [Member] Commercial Enterprise Product Line [Member] Secured Overnight Financing Rate (SOFR) [Member] UNITED STATES