Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Feb. 13, 2015
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014
Entity Registrant Name	AMC Networks Inc.
Entity Central Index Key	0001514991
Current Fiscal Year End Date	--12-31
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Public Float		$ 3,674,000,000
Common Class A [Member]
Entity Common Stock, Shares Outstanding			60,553,173
Common Class B [Member]
Entity Common Stock, Shares Outstanding			11,484,408