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Deductions/ Write-Offs and Other Charges, Net SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery Gain or (Loss) Reclassified  from Accumulated OCI  into Earnings Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative [Line Items] Derivative [Line Items] Reported Value Measurement [Member] Reported Value Measurement [Member] Shares available for future grant Beginning balance, number of shares under option Ending balance, number of shares under option Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number AMC Networks SVOD Organizational Changes [Member] AMC Networks SVOD Organizational Changes [Member] AMC Networks SVOD Organizational Changes Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Less: Interest Finance Lease, Liability, Undiscounted Excess Amount Underwriting discount Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Property and equipment, net of accumulated depreciation of $347,302 and $293,918 Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] 2023 Lease, Liability, Payments, Due Year Four Lease, Liability, Payments, Due Year Four Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Cover page. 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5 Contractual Obligation, Due in Fourth and Fifth Year Financing costs expensed Amortization of Debt Issuance Costs Liabilities Liabilities [Abstract] Impairment and Related Charges Asset Impairment Charges [Text Block] 2024 Finance Lease, Liability, Payments, Due Year Five Treasury stock not yet settled Treasury Stock Not Yet Settled Treasury Stock Not Yet Settled Foreign Current Foreign Tax Expense (Benefit) Summary Of Non-Cash Activities And Other Supplemental Data Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Transition tax, net of foreign taxes deemed paid Effective Income Tax Rate Reconciliation, Transition tax, Net of Foreign Taxes Deemed Paid, Percent Effective Income Tax Rate Reconciliation, Transition tax, Net of Foreign Taxes Deemed Paid, Percent Net income per share, diluted Business Acquisition, Pro Forma Earnings Per Share, Diluted Purchase obligations, year 1 Purchase Obligation, Due in Next Twelve Months Net earnings Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Principal payments on finance lease obligations Repayments of Long-term Capital Lease Obligations Number of shares authorized for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Related Party [Domain] Related Party [Domain] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Weighted average contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Marketable securities Debt Securities, Available-for-sale Schedule Of Unrecognized Tax Benefits Reconciliation Summary of Income Tax Contingencies [Table Text Block] Nontaxable income attributable to noncontrolling interests Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Accumulated earnings Retained Earnings (Accumulated Deficit) Purchase of treasury stock Payments for Repurchase of Common Stock Entity Tax Identification Number Entity Tax Identification Number Revenue Recognition Revenue [Policy Text Block] Diluted (in dollars per share) Earnings Per Share, Diluted Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Accounts receivable contractually due in excess of one-year Accounts Receivable, after Allowance for Credit Loss, Noncurrent Decreases due to settlements/payments Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Trading Symbol Trading Symbol Pending Litigation [Member] Minimum [Member] Minimum [Member] Non-redeemable noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Return of capital from investees Proceeds from Equity Method Investment, Distribution, Return of Capital Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two Balance Sheet Location [Domain] Balance Sheet Location [Domain] Non-cash adjustments Restructuring Reserve, Accrual Adjustment Deferred income taxes Deferred expense (benefit) Deferred Income Tax Expense (Benefit) Noncurrent finance lease liabilities Finance Lease, Liability, Noncurrent Adjustments to reconcile income from continuing operations to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Schedule of Share-based Compensation, Stock Options, Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Unrealized loss on interest rate swaps Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Income tax expense Income tax expense Income tax (expense) benefit Income Tax Expense (Benefit) Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] 2020 Program Rights Obligations, Future Payments Due, Current Future payments for program rights obligations due within one year from the balance sheet date. Vesting [Axis] Vesting [Axis] 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two Balance at Beginning of Period Balance at End of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Trademarks Indefinite-Lived Trademarks Pre-tax loss on sale of business Gain (Loss) on Sale of Assets and Asset Impairment Charges Deferred expense (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other liabilities Other liabilities and intercompany notes payable Other Liabilities, Noncurrent Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] RLJE [Member] RLJE [Member] RLJE [Member] City Area Code City Area Code Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Intangible assets, net Total intangible assets, Net Intangible Assets, Net (Excluding Goodwill) Title of 12(b) Security Title of 12(b) Security Leases Lessee, Finance Leases [Text Block] Foreign currency transaction gains (losses) Foreign Currency Transaction Gain (Loss), before Tax Summary of Lease Information Summary of Lease Information [Table Text Block] Summary of Lease Information Income tax benefit (expense) Other Comprehensive Income (Loss), Tax 2021 Lease, Liability, Payments, Due Year Two Lease, Liability, Payments, Due Year Two Advertiser relationships [Member] Advertiser Relationships [Member] Advertiser Relationships [Member] Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Deferred tax assets, net Deferred Income Tax Assets, Net Long-term debt Long-term Debt, Gross Furniture and Fixtures [Member] Furniture and Fixtures [Member] ASSETS Assets Assets [Abstract] Deferred tax asset credit carry forwards Deferred Tax Assets, Tax Credit Carryforwards Number of operating segments Number of Operating Segments Number of lines of credit assumed Number of Lines of Credit Assumed Number of Lines of Credit Assumed Valuation allowance Deferred Tax Assets, Valuation Allowance, Noncurrent Current expense (benefit) Current Income Tax Expense (Benefit) Operating leases Operating Lease, Weighted Average Remaining Lease Term Participations and residuals Accrued Royalties, Current Net income per share, basic Business Acquisition, Pro Forma Earnings Per Share, Basic Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] 2024 Lease, Liability, Payments, Due Year Five Lease, Liability, Payments, Due Year Five Performance Shares [Member] Performance Shares [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Europe [Member] Europe [Member] Programs Rights and Obligations Programs And Program Licenses [Text Block] Disclosure of unamortized programming licensed costs (e.g., programming rights licensed under agreements with independent producers to broadcast television series and other programming), and unamortized film production costs (e.g., direct production and production overhead costs, including acquired products and rights, relating to producing television series and specials). 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reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Total noncurrent lease liabilities Operating and Finance Lease Liability, Noncurrent Operating and Finance Lease Liability, Noncurrent Program rights, net Program Rights Net Noncurrent Noncurrent portion of rights to programming, including feature films and episodic series, acquired under license agreements, which are amortized over the life of the license period or period of economic utility. Thereafter Program Rights Obligations, Future Payments Due After Year Five Future payments for program rights obligations due after the fifth year from the balance sheet date. 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