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10-K – 2026-01-30 – 0001091667-26-000017-xbrl.zip
9955579 - Disclosure - Employee Benefit Plans - Components of Net Periodic Pension Benefit (Cost) (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Employee Benefit Plans - Assumptions Used to Determine Benefit Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Employee Benefit Plans - Pension Plan Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Employee Benefit Plans - Defined Contribution Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Employee Benefit Plans - Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Parent Company Only Condensed Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Parent Company Only Condensed Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Parent Company Only Condensed Consolidating Statements of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink Income tax withholding Treasury Stock Acquired Shares Withheld Restricted Stock And Restricted Stock Unit Vesting [Member] Shares withheld in payment of income tax withholding owed by employees upon vesting of restricted shares and restricted stock units. 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] Purchase of noncontrolling interest Payments for Repurchase of Redeemable Noncontrolling Interest 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] Related Party Transactions Related Party Transactions Disclosure [Text Block] Repayments of long-term debt Repayments of Long-Term Debt Remaining value of Class A common stock shares authorized to be repurchased Share Repurchase Program, Remaining Authorized, Amount U.S. federal tax at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Balance, beginning of period Balance, end of period Supplier Finance Program, Obligation, Current 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. Percentage of Voting Interests Acquired (percentage) Business Acquisition, Percentage of Voting Interests Acquired Trading Symbol Trading Symbol Non-NEOs Non-NEOs [Member] Employee Stock Ownership Plan (ESOP), Plan [Domain] Employee Stock Ownership Plan (ESOP), Plan [Domain] 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. 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 Distributions to noncontrolling interest Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest [Axis] Noncontrolling Interest [Axis] Noncontrolling Interest [Axis] 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 Restricted stock issuances, net of cancellations Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Proceeds from exercise of stock options Proceeds from Stock Options Exercised Award Timing Disclosures [Line Items] Change in noncontrolling interest ownership, net of tax Noncontrolling Interest Increase Decrease From Changes In Subsidiary Ownership Amount of increase (decrease) in noncontrolling interest from changes in subsidiary ownership. Tax liability on GCI spin off Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities Shares held by noncontrolling shareholders (shares) Noncontrolling Interest, Shares Held by Noncontrolling Shareholders Number of shares held by noncontrolling shareholders at balance sheet date. Credit facilities Credit facilities [Member] Credit facilities Gain on sale of towers Gain (Loss) on Disposition of Intangible Assets Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Segment Reporting, Policy Segment Reporting, Policy [Policy Text Block] Revenue from Contract with Customer [Abstract] OTHER NONCURRENT ASSETS Other noncurrent assets Other Assets, Noncurrent Leases [Abstract] Leases [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Supplier Finance Program [Domain] Supplier Finance Program [Domain] Change in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Other (percentage) Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent 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] Schedule of Contractual Obligation Payments Contractual Obligation, Fiscal Year Maturity [Table Text Block] 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 Noncontrolling Interests: Noncontrolling Interest [Line Items] 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 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 Additional paid-in capital Additional Paid in Capital, Common Stock Payables and Accruals [Abstract] Payables and Accruals [Abstract] Compensation Amount Outstanding Recovery Compensation Amount 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] Level 3 Fair Value, Inputs, Level 3 [Member] 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] 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 Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Valuation of Long-Lived Assets Policy Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Class C Common Stock Common Class C [Member] Franchises Indefinite-Lived Franchise Rights Goodwill Goodwill Goodwill Entity Information [Line Items] Entity Information [Line Items] Stock Options Share-Based Payment Arrangement, Option [Member] Depreciation expense Depreciation 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Other, net Proceeds from (Payments for) Other Financing Activities 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. Award Type [Axis] Award Type [Axis] Net deferred tax liabilities Deferred Tax Liabilities, Net Number of units purchased Noncontrolling Interest, Purchase of Interests, Shares Purchased Number of shares purchased from noncontrolling shareholders resulting in a decrease in noncontrolling interests during the period. Equity Interest Type [Axis] Equity Interest Type [Axis] Property, plant and equipment, net of accumulated depreciation of $41,514 and $39,409, respectively Property, plant and equipment, net Property, Plant and Equipment, Net ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Noncontrolling interests Equity, Attributable to Noncontrolling Interest 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 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 Other costs of revenue Other costs of revenue Other costs of revenue Equity Method Investee Equity Method Investee [Member] Operating lease liabilities Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Share buybacks Treasury Stock Acquired Shares Repurchased [Member] Shares repurchased under a stock repurchase program. Schedule of Restricted Stock Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Conversion of Stock, Shares Issued (in shares) Conversion of Stock, Shares Issued Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Carryforwards Deferred Tax Assets, Operating Loss Carryforwards Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Class of Treasury Stock Class of Treasury Stock [Table Text Block] Property, plant and equipment, gross Property, Plant and Equipment, Gross Retirement Plan Name [Axis] Retirement Plan Name [Axis] Exercise of stock options 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 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] Weighted average common shares outstanding, diluted Weighted average common shares outstanding, diluted Weighted Average Number of Shares Outstanding, Diluted MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Loans payable - related party Loans Payable, Noncurrent Total Charter shareholders’ equity Shareholder's equity Equity, Attributable to Parent Total gross deferred tax assets Deferred Tax Assets, Gross Treasury Stock Acquired [Axis] Treasury Stock Acquired [Axis] Treasury Stock Acquired [Axis] Letters of credit, amount Letters of credit outstanding Letters of Credit Outstanding, Amount HSN and QVC HSN and QVC [Member] HSN and QVC Shares authorized under the the stock incentive plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Document Fiscal Period Focus Document Fiscal Period Focus Obligations confirmed during the year Supplier Finance Program, Obligation, Addition Merger and acquisition costs Business Combination, Acquisition Related Costs Liberty Broadband Liberty Broadband [Member] Liberty Broadband 2029 Long-Term Debt, Maturity, Year Four All Executive Categories All Executive Categories [Member] Assumed exercise or issuance of shares relating to stock plans Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements 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 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) Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table 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. 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] 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] Parent Company [Member] Parent Company [Member] Maximum Maximum [Member] 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] Voice Residential Voice Product Line [Member] Residential Voice Product Line [Member] Receivables from related party Nontrade Receivables RDOF subsidy RDOF subsidy [Member] RDOF subsidy Statistical Measurement [Axis] Statistical Measurement [Axis] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Name Outstanding Recovery, Individual Name Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Common Stock [Abstract] Common Stock [Abstract] Common Stock [Abstract] 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] Gain (loss) on financial instruments, net: Gain (Loss) On Financial Instruments, Net [Abstract] Gain (Loss) On Financial Instruments, Net [Abstract] Net cash flows from related party loans Proceeds from (Repayments of) Notes Payable Federal tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Award Timing Predetermined Award Timing Predetermined [Flag] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Debt instrument redemption price (percentage) Debt Instrument, Redemption Price, Percentage Customer relationships Customer Relationships [Member] Long-Term Debt Long-Term Debt [Text Block] Diluted (in dollars per share) Diluted earnings per common share attributable to Charter shareholders Earnings Per Share, Diluted 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] Special charges, net Other Nonrecurring (Income) Expense Ownership [Axis] Ownership [Axis] Finite-Lived Policy Intangible Assets, Finite-Lived, Policy [Policy Text Block] 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 Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 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 Income tax expense Income tax expense Income Tax Expense (Benefit) Interest cost Interest Cost Defined Benefit Plan, Interest Cost 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 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 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 Net cash flows from investing activities Net cash flows from investing activities Net Cash Provided by (Used in) Investing Activities Franchises Franchise Rights [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] All Adjustments to Compensation All Adjustments to Compensation [Member] 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 Noncontrolling Interest [Table] Noncontrolling Interest [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Legal Entity [Axis] Legal Entity [Axis] Interest expense, net Interest expense, net Interest Income (Expense), Nonoperating Defined Contribution Plan Disclosure [Line Items] Defined Contribution Plan Disclosure [Line Items] Restricted cash Restricted Cash 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 Net periodic pension benefit (costs) (see Note 21) Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] 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] Common Stock Common Stock [Text Block] The entire disclosure for common stock. 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 SHAREHOLDERS’ 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] 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 Restatement Determination Date Restatement Determination Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] 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] 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] Distributions from subsidiaries Distributions from subsidiaries Payments from subsidiaries Term Loan B-4 Term Loan B-4 [Member] Term Loan B-4 Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Earnings per Share Earnings Per Share [Text Block] Equity issued pursuant to employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Subsequent Event Subsequent Event [Member] COSTS AND EXPENSES: Costs and Expenses [Abstract] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised 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 Income Taxes Policy Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] PEO PEO [Member] Obligations paid during the year Supplier Finance Program, Obligation, Settlement Government Assistance [Line Items] Government Assistance [Line Items] Name Trading Arrangement, Individual Name Funded (unfunded) status Defined Benefit Plan, Funded (Unfunded) Status of Plan 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] Tax legislation impact to deferred income tax liabilities Tax legislation impact to deferred income tax liabilities Impact to deferred income tax liabilities on the consolidated balance sheets as a result of new tax legislation Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Entity Public Float Entity Public Float 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 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 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). Local Phone Number Local Phone Number Disaggregation of Revenue [Abstract] Less: valuation allowance Deferred Tax Assets, Valuation Allowance 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 Total other income (expenses), net 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 costs and expenses Operating Expenses 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 Changes in operating assets and liabilities, net of effects from acquisitions and dispositions: Increase (Decrease) in Operating Capital [Abstract] Investment in partnership Deferred Tax Liabilities, Investments 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 Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Common Stock Common Stock [Member] 2028 Contractual Obligation, to be Paid, Year Three 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] Segment Reporting [Abstract] Entity Central Index Key Entity Central Index Key Internet Residential Internet Product Line [Member] Residential Internet Product Line [Member] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount 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] Segment Reporting Disclosure Segment Reporting Disclosure [Text Block] Current portion of long-term debt Long-Term Debt, Current Maturities Schedule of Gain (Loss) on Financial Instruments, Net Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table 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] Class B Common Stock Common Class B [Member] Title Trading Arrangement, Individual Title Indefinite-Lived Policy Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Consolidated Entities [Axis] Consolidated Entities [Axis] Defined Contribution Plan [Table] Defined Contribution Plan [Table] Retirement Accumulation Plan Retirement Accumulation Plan [Member] Retirement Accumulation Plan [Member] 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 Purchase of noncontrolling interest Minority Interest Decrease From Redemptions Purchase Price Gross purchase price related to the decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). 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 Audit Information [Abstract] Audit Information (Gain) loss on disposal of assets, net Gain (Loss) on Disposition of Assets Availability under credit facilities Line of Credit Facility, Remaining Borrowing Capacity Purchase of treasury stock Payments for Repurchase of Common Stock LONG-TERM DEBT Long-Term Debt, Excluding Current Maturities Subsequent Event Type [Axis] Subsequent Event Type [Axis] EARNINGS PER COMMON SHARE ATTRIBUTABLE TO CHARTER SHAREHOLDERS: Earnings Per Share [Abstract] Accumulated deficit Retained Earnings (Accumulated Deficit) 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] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] 2027 Long-Term Debt, Maturity, Year Two Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] 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 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 Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Condensed Income Statement [Table] Condensed Income Statement [Table] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] 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 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 Transition expenses Business Combination, Integration Related Costs Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Other, net Other, net Payments for (Proceeds from) Other Investing Activities 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] Revolving Loan C Revolving Loan C [Member] Revolving Loan C Auditor Name Auditor Name 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 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. 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] Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] 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 Maximum estimated obligation due to A/N under the Tax Receivable Agreement Maximum Estimated Tax Receivable Agreement Obligation Due To AN Maximum estimate 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. Government Assistance Policy Government Assistance [Policy Text Block] Nontaxable or nondeductible items (percentage) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Stock, Class of Stock [Table] Stock, Class of Stock [Table] 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. Advertising Costs Policy Advertising Cost [Policy Text Block] 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 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] Schedule of Effective Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Termination Date Trading Arrangement Termination Date Related Party Transaction [Table] Related Party Transaction [Table] 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 Treasury Stock Acquired [Domain] Treasury Stock Acquired [Domain] [Domain] for Treasury Stock Acquired [Axis] 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). Customer operations Customer operations Customer operations costs Debt Instrument [Axis] Debt Instrument [Axis] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Net income attributable to Charter shareholders Net income attributable to Charter shareholders Net income Net Income (Loss) Attributable to Parent Other operating (income) expenses, net Other operating (income) expense, net Other operating income, 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 Noncash interest, net Amortization of Debt Discount (Premium) Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] A/N A/N [Member] A/N Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [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] 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) 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 Investment, Policy Investment, Policy [Policy Text Block] Other, net Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Net income attributable to noncontrolling interest (percentage) Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent 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 PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Connectivity Connectivity [Member] Connectivity Adjustment to Compensation: Adjustment to Compensation [Axis] Less: Net income attributable to noncontrolling interests Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Change in uncertain tax benefits (percentage) Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent 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). Related Party [Axis] Related and Nonrelated Parties [Axis] Weighted average common shares outstanding, basic Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total shareholders’ equity Balance Balance Equity, Including Portion Attributable to Noncontrolling Interest Components of Deferred Tax Assets (Liabilities): Components of Deferred Tax Assets and Liabilities [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Filer Category Entity Filer Category Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] 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. 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. 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] Derivatives: Derivatives, Fair Value [Line Items] 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 Total costs and (income) expenses Costs and Expenses (Income) Total costs of sales and operating (income) expenses for the period. Unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate 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] Schedule of Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 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] Total Cash Taxes Paid, Net Income Taxes Paid, Net Class A Common Stock Common Class A [Member] 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 Other Performance Measure, Amount Other Performance Measure, Amount 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Operating Leases Lessee, Operating Leases [Text Block] Common stock, shares outstanding (in shares) Shares outstanding, beginning of period (in shares) Shares outstanding, end of period (in shares) Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Common Noncontrolling Interest Common Noncontrolling Interest [Member] Common Noncontrolling Interest [Member] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Operating Lease Expense Operating Lease, Cost Term Loan B-3 Term Loan B-3 [Member] Term Loan B-3 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 Purchase of noncontrolling interest, net of tax Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Customer prepayments and upfront deferred installation fees Contract with Customer, Liability, Current Entity Tax Identification Number Entity Tax Identification Number 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] Activity on prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Purchase of treasury stock Treasury Stock, Shares, Acquired Senior Secured Notes and Debentures Senior Secured Notes and Debentures [Member] Senior Secured Notes and Debentures 2029 Contractual Obligation, to be Paid, Year Four Other expense Other Cost and Expense, Operating INVESTMENT IN CABLE PROPERTIES: Investment In Cable Properties [Abstract] Excess purchased recorded to additional paid-in-capital, net of tax Impact of noncontrolling interest purchased Impact of noncontrolling interest purchased Equity Components [Axis] Equity Components [Axis] Defined Benefit Pension Plans Policy Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] Equipment Installment Plan Receivables, Allowance for Doubtful Accounts, Noncurrent Contract with Customer, Asset, Allowance for Credit Loss, Noncurrent Total costs and expenses Costs and Expenses Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Stock options outstanding aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Equipment Installment Plan Financing Facility Equipment Installment Plan Financing Facility [Text Block] The entire disclosure for the Equipment Installment Plan Financing Facility Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] 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 issuances pursuant to employee stock purchase plan (see Note 21) 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] Sterling Senior Notes Sterling Senior Notes [Member] British pound sterling denominated senior notes 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 Charter Charter [Member] Charter Communications, Inc. Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 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] 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] 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 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 Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Security Exchange Name Security Exchange Name Basis spread on variable interest rate (percentage) Debt Instrument, Basis Spread on Variable Rate Stock options exercised weighted average exercise price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price State income taxes Current State and Local Tax Expense (Benefit) Unamortized basis difference for equity-method investments acquired Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Schedule of effects on statement of shareholders' equity due to ownership changes Schedule of effects on statement of shareholders' equity due to ownership changes [Table Text Block] Schedule of noncontrolling interest disclosure due to changes in ownership and the effect on the statement of shareholders' equity. Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Programming costs Program Rights Obligations, Current Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Investment Assets by Fair Value Heirarchy Level Defined Benefit Plan, Plan Assets, Category [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Retirement Plan Name [Domain] Retirement Plan Name [Domain] Entity [Domain] Entity [Domain] 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 Transfer to defined contribution plans Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Common stock, shares authorized (in shares) Common Stock, Shares Authorized Leverage ratio Ratio of Indebtedness to Net Capital Lump sum cash settlement Defined Benefit Plan, Plan Assets, Payment for Settlement 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 (benefit) 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 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 Noncontrolling interest ownership threshold (percentage) Subsidiary, Ownership Percentage, Parent Carrying Value Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] 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 Thereafter Long-Term Debt, Maturity, after Year Five Defined contribution plan, employer matching contribution (percentage) Defined Contribution Plan, Employer Matching Contribution, Percent of Match Tax legislation impact to income taxes payable Tax legislation impact to income taxes payable Impact to income taxes payable on the consolidated balance sheets as a result of new tax legislation Schedule of Condensed Financial Statements Condensed Financial Statements [Table Text Block] Mergers and Acquisitions Disclosures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Gain (loss) on financial instruments, net Gain (loss) on financial instruments, net (see Note 13) Gain (Loss) on Derivative Instruments, Net, Pretax Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Document Annual Report Document Annual Report Restricted stock unit vesting 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 Total Charter Shareholders’ Equity Parent [Member] 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) GAC buy-out Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Amortization expense Amortization of Intangible Assets Accounting Policies [Abstract] 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 PEO Name PEO Name 401(k) Plan 401(k) Plan [Member] 401(k) Plan [Member] Award Type [Domain] Award Type [Domain] Gregory Maffei Gregory Maffei [Member] Gregory Maffei Wireless spectrum licenses Licensing Agreements [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] 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] Time Warner Cable, LLC Time Warner Cable LLC [Member] Time Warner Cable LLC Additional Paid-in Capital Additional Paid-in Capital [Member] Reconciling impact from discounting Reconciling impact from discounting capital lease liabilities Reconciling impact from discounting capital lease liabilities Employee Benefit Plans Retirement Benefits [Text Block] Common Stock: Class of Stock [Line Items] Cox - Contribution Cox - Contribution [Member] Cox - Contribution 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. Class of Stock [Axis] Class of Stock [Axis] Vehicles and equipment Vehicles and equipment [Member] Vehicles and equipment [Member] Exercise cost Treasury Stock Acquired Shares Withheld Stock Option Exercise Costs [Member] Shares withheld representing the exercise costs owed by employees upon exercise of stock options. 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 Cash paid for U.S federal income taxes, net Income Tax Paid, Federal, after Refund Received Common Units Member Units [Member] Government Assistance, Type [Axis] Government Assistance, Type [Axis] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 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] Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Cox - $1.00 Cox - $1.00 [Member] Cox - $1.00 Stated interest rate (percentage) Debt Instrument, Interest Rate, Stated Percentage Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Other expenses, net Other income (expense), net Nonoperating Income (Expense) Dividend rate of preferred unit (percentage) Preferred Stock, Dividend Rate, Percentage Auditor Firm ID Auditor Firm ID Effective Income Tax Rate (percentage) Effective Income Tax Rate Reconciliation, Percent Income from operations Income from operations Operating Income (Loss) Number of reportable segments Number of Reportable Segments Total liabilities and shareholder's equity Total liabilities and shareholder'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] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accounting for Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] 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 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). Expected life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] 2027 Contractual Obligation, to be Paid, Year Two 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] 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] Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Minimum Minimum [Member] Minimum estimated obligation due to A/N under the Tax Receivable Agreement Minimum Estimated Tax Receivable Agreement Obligation Due To A/N Minimum estimate 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. Adoption Date Trading Arrangement Adoption Date Related Party Transactions [Abstract] Related Party Transactions [Abstract] OTHER INCOME (EXPENSES): Other Expenses [Abstract] Convertible Preferred Units Convertible Preferred Units [Member] Convertible Preferred Units Charged to expense Accounts Receivable, Credit Loss Expense (Reversal) 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] 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 Franchises, Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Total investments Investments Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] 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] 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] Schedule of Noncontrolling Interest Purchased Schedule of Noncontrolling Interest Purchased [Table Text Block] Schedule of noncontrolling interest disclosure which includes number of units purchased during the period, average price paid, total amount paid and the effect on the statement of shareholders' equity. Related Party [Domain] Related and Nonrelated Parties [Domain] Accounts payable, accrued and other current liabilities Total Accounts Payable and Accrued Liabilities, Current Change in fair value of cross-currency derivative instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Supplier Finance Program [Axis] Supplier Finance Program [Axis] Contribution to subsidiaries Contribution to subsidiaries Investments in subsidiaries 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] 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] Requisite Service Period (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Federal income taxes Deferred Federal Income Tax Expense (Benefit) 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 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 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 Investments [Abstract] Investments [Abstract] Commercial revenue Commercial Product Line [Member] Commercial Product Line [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized 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] 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 2030 Long-Term Debt, Maturity, Year Five Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Programming Programming Expense Programming Expense Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Customer premise equipment and installations Customer equipment and installations [Member] Customer equipment and installations [Member] Equity Component [Domain] Equity Component [Domain] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share 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 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 The Maffei Group The Maffei Group [Member] The Maffei Group Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] 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 Principal amount, repurchased Debt Instrument, Repurchased Face Amount Supplier Finance Program [Table] Supplier Finance Program [Table] Statement [Table] Statement [Table] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] 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 Level 1 Fair Value, Inputs, Level 1 [Member] Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 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 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 Other intangible assets Other Intangible Assets [Member] Income Taxes Income Tax Disclosure [Text Block] Purchases and retirement of treasury stock Stock Repurchased and Retired During Period, Value 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount 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] 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] Weighted average discount rate - operating leases (percentage) Operating Lease, Weighted Average Discount Rate, Percent 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 Net income attributable to noncontrolling interest Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount 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] State income taxes Deferred State and Local Income Tax Expense (Benefit) Fair Value as of Grant Date Award Grant Date Fair Value 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] SHAREHOLDERS’ 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. Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Consolidation Policy Consolidation, Policy [Policy Text Block] Distributions to noncontrolling interest Payments of Ordinary Dividends, Noncontrolling Interest Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Schedule of other balance sheet accounts Schedule of other balance sheet accounts [Table Text Block] Schedule of other balance sheet accounts Common stock Common Stock, Value, Issued Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Mobile service Residential Mobile Service Product Line [Member] Residential Mobile Service Product Line Share-Based Payment Arrangement [Abstract] State and local income taxes, net of federal income tax effect (percentage) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Debt instrument issue price (percentage) Debt instrument issue price (percentage) Percentage price of original principal amount of debt at which debt was issued. 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] Schedule of Changes in Common Stock Outstanding Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Indefinite-lived Intangible Assets: Indefinite-Lived Intangible Assets [Line Items] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Preferred stock; $0.001 par value; 250 million shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued 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] Deferred tax liabilities Deferred Tax Liabilities, Gross Basic (in dollars per share) Basic earnings per common share attributable to Charter shareholders Earnings Per Share, Basic Operating Lease Payments Operating Lease, Payments 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 Ownership [Domain] Ownership [Domain] Trademarks Trademarks [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Property, Plant and Equipment Policy Property, Plant and Equipment, Policy [Policy Text Block] Total current liabilities Current liabilities Liabilities, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One 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 EIP Financing Facility EIP Financing Facility [Member] EIP Financing Facility Supplier Finance Program [Line Items] Supplier Finance Program [Line Items] Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate REVENUES Revenues 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 Borrowings of long-term debt Proceeds from Issuance of Long-Term Debt Noncontrolling Interest [Domain] Noncontrolling Interest [Domain] [Domain] for Noncontrolling Interest [Axis] Leases Policy Lessee, Leases [Policy Text Block] 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 16) Share-Based Payment Arrangement, Expense Stock options granted weighted average exercise price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Defined contribution plan, employer's contributions Defined Contribution Plan, Employer Discretionary Contribution Amount 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] 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] 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] Purchase of treasury stock, value Treasury Stock, Value, Acquired, Cost Method Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other Other Accrued Liabilities, Current 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Government Assistance [Table] Government Assistance [Table] Document Period End Date Document Period End Date 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] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three 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 for state and local income taxes, net Income Tax Paid, State and Local, after Refund Received Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 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] Federal tax credits (percentage) Effective Income Tax Rate Reconciliation, Tax Credit, Percent Other Other services [Member] Other services [Member] Entity Current Reporting Status Entity Current Reporting Status Accumulated Deficit Retained Earnings [Member] Ownership percentage held by noncontrolling interest (percentage) Subsidiary, Ownership Percentage, Noncontrolling Owner Cable distribution systems Cable distribution systems [Member] Cable distribution systems [Member] Qurate Qurate [Member] Qurate Net deferred tax liabilities related to certain indirect subsidiaries that file separate income tax returns Deferred Tax Liabilities Indirect Subsidiaries Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting that relate to certain indirect subsidiaries that file separate income tax returns. Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Taxes and regulatory fees Accrued Taxes And Regulatory Fees, Current Carrying value as of the balance sheet date of obligations incurred through that date for taxes and regulatory fees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Term Loan A-7 Term Loan A-5 [Member] Term Loan A-5 Roll Forward of Consolidated Shareholders' Equity: Roll Forward of Common Shares: Increase (Decrease) in Stockholders' Equity [Roll Forward] Supplier Finance Program, Obligation [Roll Forward] Supplier Finance Program, Obligation [Roll Forward] Executive Category: Executive Category [Axis] 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] 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 Mid-market & large business Commercial Enterprise Product Line [Member] Commercial Enterprise Product Line [Member] Secured Overnight Financing Rate (SOFR) [Member] UNITED STATES Document Exhibit 31.1 I, Christopher L. Winfrey, certify that: 1. I have reviewed this Annual Report on Form 10-K of Charter Communications, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; 4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have: (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and (d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. 5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. Date: January 30, 2026 /s/ Christopher L. Winfrey Christopher L. Winfrey President and Chief Executive Officer Document Exhibit 31.2 I, Jessica M. Fischer, certify that: 1. I have reviewed this Annual Report on Form 10-K of Charter Communications, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; 4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have: (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and (d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. 5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. Date: January 30, 2026 /s/ Jessica M. Fischer Jessica M. Fischer Chief Financial Officer (Principal Financial Officer) Document Exhibit 32.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER REGARDING PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS I, Christopher L. Winfrey, the President and Chief Executive Officer of Charter Communications, Inc. (the "Company") in compliance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, hereby certify that, the Company's Annual Report on Form 10-K for the year ended December 31, 2025 (the "Report") filed with the Securities and Exchange Commission: • fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and • the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Christopher L. Winfrey Christopher L. Winfrey President and Chief Executive Officer January 30, 2026 Document Exhibit 32.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER REGARDING PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS I, Jessica M. Fischer, the Chief Financial Officer of Charter Communications, Inc. (the "Company"), in compliance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, hereby certify that, the Company's Annual Report on Form 10-K for the year ended December 31, 2025 (the "Report") filed with the Securities and Exchange Commission: • fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and • the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Jessica M. Fischer Jessica M. Fischer Chief Financial Officer (Principal Financial Officer) January 30, 2026 Document EXHIBIT 21.1 Subsidiaries of Charter Communications, Inc. Entity Jurisdiction and Type December 31, 2025 Entity Name Jurisdiction and Type BHN IP Enabled Services, LLC Delaware limited liability company Bresnan Broadband Holdings, LLC Delaware limited liability company Bresnan Broadband of Colorado, LLC Colorado limited liability company Bresnan Broadband of Montana, LLC Montana limited liability company Bresnan Broadband of Wyoming, LLC Wyoming limited liability company Bresnan Digital Services, LLC Delaware limited liability company Bright House Networks Information Services (Alabama), LLC Delaware limited liability company Bright House Networks Information Services (California), LLC Delaware limited liability company Bright House Networks Information Services (Florida), LLC Delaware limited liability company Bright House Networks Information Services (Indiana), LLC Delaware limited liability company Bright House Networks Information Services (Michigan), LLC Delaware limited liability company CC Fiberlink, LLC Delaware limited liability company CC VI Fiberlink, LLC Delaware limited liability company CC VII Fiberlink, LLC Delaware limited liability company CCH Holding Company, LLC Delaware limited liability company CCH I Holdings, LLC Delaware limited liability company CCH II, LLC Delaware limited liability company CCHC, LLC Delaware limited liability company CCI Green, LLC Delaware limited liability company CCO EIP Financing, LLC Delaware limited liability company CCO Fiberlink, LLC Delaware limited liability company CCO Holdings Capital Corp. Delaware corporation CCO Holdings, LLC Delaware limited liability company CCO NR Holdings, LLC Delaware limited liability company Charter Communications ASC, LLC Delaware limited liability company Charter Communications Holding Company, LLC Delaware limited liability company Charter Communications Holdings, LLC Delaware limited liability company Charter Communications, Inc. Delaware corporation (Parent Company) Charter Communications, LLC Delaware limited liability company Charter Communications Operating Capital Corp. Delaware corporation Charter Communications Operating, LLC Delaware limited liability company Charter Communications SSC, LLC Delaware limited liability company Charter Communications VI HoldCo, LLC Delaware limited liability company Charter Communications VI, L.L.C. Delaware limited liability company Charter Distribution, LLC Delaware limited liability company Charter Fiberlink – Alabama, LLC Delaware limited liability company Entity Name Jurisdiction and Type Charter Fiberlink – Georgia, LLC Delaware limited liability company Charter Fiberlink – Illinois, LLC Delaware limited liability company Charter Fiberlink – Maryland II, LLC Delaware limited liability company Charter Fiberlink – Michigan, LLC Delaware limited liability company Charter Fiberlink – Missouri, LLC Delaware limited liability company Charter Fiberlink – Nebraska, LLC Delaware limited liability company Charter Fiberlink – Tennessee, LLC Delaware limited liability company Charter Fiberlink CA-CCO, LLC Delaware limited liability company Charter Fiberlink CC VIII, LLC Delaware limited liability company Charter Fiberlink CCO, LLC Delaware limited liability company Charter Fiberlink CT-CCO, LLC Delaware limited liability company Charter Fiberlink LA-CCO, LLC Delaware limited liability company Charter Fiberlink MA-CCO, LLC Delaware limited liability company Charter Fiberlink MS-CCVI, LLC Delaware limited liability company Charter Fiberlink NC-CCO, LLC Delaware limited liability company Charter Fiberlink NH-CCO, LLC Delaware limited liability company Charter Fiberlink NV-CCVII, LLC Delaware limited liability company Charter Fiberlink NY-CCO, LLC Delaware limited liability company Charter Fiberlink OR-CCVII, LLC Delaware limited liability company Charter Fiberlink SC-CCO, LLC Delaware limited liability company Charter Fiberlink TX-CCO, LLC Delaware limited liability company Charter Fiberlink VA-CCO, LLC Delaware limited liability company Charter Fiberlink VT-CCO, LLC Delaware limited liability company Charter Fiberlink WA-CCVII, LLC Delaware limited liability company Charter IP Enabled Services, LLC Delaware limited liability company Charter Leasing Holding Company, LLC Delaware limited liability company Charter Procurement Leasing, LLC Delaware limited liability company DukeNet Communications, LLC Delaware limited liability company Fusion Merger Sub 1, LLC Delaware limited liability company Fusion Merger Sub 2, Inc. Delaware corporation Hunter Acquisition Holdings, Inc. Delaware corporation Innovar Media LLC Delaware limited liability company Insight Blocker LLC Delaware limited liability company SCI Aviation, Inc. New York corporation Spectrum Advanced Services, LLC Delaware limited liability company Spectrum Captive Holdings, LLC Delaware limited liability company Spectrum CCI Foundation Delaware non-profit corporation Spectrum Communications Indemnity Inc. Connecticut captive insurance company Spectrum Fiberlink Florida, LLC Delaware limited liability company Entity Name Jurisdiction and Type Spectrum Gulf Coast, LLC Delaware limited liability company Spectrum Management Holding Company, LLC Delaware limited liability company Spectrum Mid-America, LLC Delaware limited liability company Spectrum Mobile Equipment, LLC Delaware limited liability company Spectrum Mobile, LLC Delaware limited liability company Spectrum New Jersey, LLC Delaware limited liability company Spectrum New York Metro, LLC Delaware limited liability company Spectrum NLP, LLC Delaware limited liability company Spectrum Northeast, LLC Delaware limited liability company Spectrum Oceanic, LLC Delaware limited liability company Spectrum Originals Development, LLC Delaware limited liability company Spectrum Originals, LLC Delaware limited liability company Spectrum Pacific West, LLC Delaware limited liability company Spectrum Reach, LLC Delaware limited liability company Spectrum RSN, LLC Delaware limited liability company Spectrum SN, LLC Delaware limited liability company Spectrum Southeast, LLC Delaware limited liability company Spectrum SportsNet, LLC Delaware limited liability company Spectrum Stamford, LLC Delaware limited liability company Spectrum Sunshine State, LLC Delaware limited liability company Spectrum TV Essentials, LLC Delaware limited liability company Spectrum Wireless Holdings, LLC Delaware limited liability company Time Warner Cable Business LLC Delaware limited liability company Time Warner Cable Enterprises LLC Delaware limited liability company Time Warner Cable Information Services (Alabama), LLC Delaware limited liability company Time Warner Cable Information Services (Arizona), LLC Delaware limited liability company Time Warner Cable Information Services (California), LLC Delaware limited liability company Time Warner Cable Information Services (Colorado), LLC Delaware limited liability company Time Warner Cable Information Services (Hawaii), LLC Delaware limited liability company Time Warner Cable Information Services (Idaho), LLC Delaware limited liability company Time Warner Cable Information Services (Illinois), LLC Delaware limited liability company Time Warner Cable Information Services (Indiana), LLC Delaware limited liability company Time Warner Cable Information Services (Kansas), LLC Delaware limited liability company Time Warner Cable Information Services (Kentucky), LLC Delaware limited liability company Time Warner Cable Information Services (Maine), LLC Delaware limited liability company Time Warner Cable Information Services (Massachusetts), LLC Delaware limited liability company Time Warner Cable Information Services (Michigan), LLC Delaware limited liability company Time Warner Cable Information Services (Missouri), LLC Delaware limited liability company Time Warner Cable Information Services (Nebraska), LLC Delaware limited liability company Entity Name Jurisdiction and Type Time Warner Cable Information Services (New Hampshire), LLC Delaware limited liability company Time Warner Cable Information Services (New Jersey), LLC Delaware limited liability company Time Warner Cable Information Services (New Mexico), LLC Delaware limited liability company Time Warner Cable Information Services (New York), LLC Delaware limited liability company Time Warner Cable Information Services (North Carolina), LLC Delaware limited liability company Time Warner Cable Information Services (Ohio), LLC Delaware limited liability company Time Warner Cable Information Services (Pennsylvania), LLC Delaware limited liability company Time Warner Cable Information Services (South Carolina), LLC Delaware limited liability company Time Warner Cable Information Services (Tennessee), LLC Delaware limited liability company Time Warner Cable Information Services (Texas), LLC Delaware limited liability company Time Warner Cable Information Services (Virginia), LLC Delaware limited liability company Time Warner Cable Information Services (Washington), LLC Delaware limited liability company Time Warner Cable Information Services (West Virginia), LLC Delaware limited liability company Time Warner Cable Information Services (Wisconsin), LLC Delaware limited liability company Time Warner Cable, LLC Delaware limited liability company TWC Administration LLC Delaware limited liability company TWC Communications, LLC Delaware limited liability company TWC IP Enabled Services, LLC Delaware limited liability company TWC SEE Holdco LLC Delaware limited liability company TWCIS Holdco LLC Delaware limited liability company Visual Advertising Sales Technology, LLC Delaware limited liability company Document Exhibit 23.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Charter Communications, Inc.: We consent to the incorporation by reference in the registration statements (Nos. 333-190516, 333-163357, 333-170475, 333-211517, 333-214399, 333-232855, 333-278353, 333-278969 and 333-286785) on Form S-8, (No. 333-283779) on Form S-4 and (No. 333-275214) on Form S-3 of our reports dated January 29, 2026, with respect to the consolidated financial statements of Charter Communications, Inc. and the effectiveness of internal control over financial reporting. (Signed) KPMG LLP St. Louis, Missouri January 29, 2026