Description Of Business And Basis Of Presentation Description Of Business And Basis Of Presentation (Policies)	9 Months Ended
	Sep. 30, 2014
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of Consolidation These unaudited condensed consolidated financial statements include the accounts of AMC Networks and its subsidiaries in which a controlling interest is maintained. All intercompany transactions and balances have been eliminated in consolidation. These unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and Article 10 of Regulation S-X of the Securities and Exchange Commission (“SEC”) for interim financial information. Accordingly, these unaudited condensed consolidated financial statements do not include all the information and notes required for complete annual financial statements. These unaudited condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and notes thereto for the year ended December 31, 2013 contained in the Company’s 2013 Annual Report on Form 10-K (“2013 Form 10-K”) filed with the SEC. The condensed consolidated financial statements as of September 30, 2014 and for the three and nine months ended September 30, 2014 and 2013 are unaudited; however, in the opinion of management, such condensed consolidated financial statements include all adjustments, consisting solely of normal recurring adjustments, necessary for a fair presentation of the results for the periods presented. The results of operations for interim periods are not necessarily indicative of the results that might be expected for future interim periods or for the full year ending December 31, 2014.
Use of Estimates, Policy [Policy Text Block]	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported period. Actual results could differ from those estimates. Significant estimates and judgments inherent in the preparation of the condensed consolidated financial statements include the valuation of acquisition-related assets and liabilities, the useful lives and methodologies used to amortize and assess recoverability of program rights, the estimated useful lives of intangible assets, valuation and recoverability of goodwill and intangible assets and income taxes.
Discontinued Operations, Policy [Policy Text Block]	Discontinued Operations In connection with the acquisition of Chellomedia (see Note 2), management committed to a plan to dispose of the operations of Chellomedia's advertising sales unit, Atmedia. The sale was completed in September 2014. Accordingly, the operating results of Atmedia have been classified as discontinued operations in the condensed consolidated statements of income for the three and nine months ended September 30, 2014 (see Note 4).

Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.

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- Definition

Disclosure of accounting policy for any discontinued operations. The results of operations of a component of an entity that either has been disposed of or is classified as held for sale is reported in discontinued operations if both: (a) the operations and cash flows of the component have been (or will be) eliminated from the ongoing operations of the entity as a result of the disposal transaction and (b) the entity will not have any significant continuing involvement in the operations of the component after the disposal transaction. If the entity elects to allocate interest expense to a discontinued operation, it may disclose its accounting policy for this election and describe its method of allocation.

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