COMMITMENTS AND CONTINGENCIES (Details) (Marchese, et al. v. Cablevision Systems Corporation and CSC Holdings, LLC)	3 Months Ended
Mar. 31, 2015 Version
Marchese, et al. v. Cablevision Systems Corporation and CSC Holdings, LLC
Cable Operations Litigation [Abstract]
Number of versions of complaint dismissed without prejudice by the District Court	3

The number of versions of the complaint filed in the U.S. District Court for the District of New Jersey.

No definition available.

Name:	cvc_NumberOfVersionsOfComplaintDismissedWithoutPrejudiceByDistrictCourt
Namespace Prefix:	cvc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration