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DISCONTINUED OPERATIONS, Litigation Settlement and Bresnan Cable Legal Matters (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2012
Apr. 08, 2013
Apr. 09, 2013
Dec. 31, 2013
Oct. 31, 2012
Litigation Settlement with DISH Network          
Litigation Settlement [Abstract]          
Cash proceeds from settlement received $ 350,000us-gaap_ProceedsFromLegalSettlements
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkMember
       
Litigation Settlement with DISH Network Pursuant to VOOM Litigation Agreement          
Litigation Settlement [Abstract]          
Cash settlement paid   525,000us-gaap_LitigationSettlementAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkPursuantToVoomLitigationAgreementMember
     
Cash proceeds from settlement received     175,000us-gaap_ProceedsFromLegalSettlements
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkPursuantToVoomLitigationAgreementMember
   
Pre-tax gain on litigation settlement 350,000us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkPursuantToVoomLitigationAgreementMember
    175,000us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkPursuantToVoomLitigationAgreementMember
 
Cablevision and AMC Networks | Litigation Settlement with DISH Network          
Litigation Settlement [Abstract]          
Cash settlement paid         700,000us-gaap_LitigationSettlementAmount
/ dei_LegalEntityAxis
= cvc_CablevisionAndAmcNetworksMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkMember
AMC Networks | Litigation Settlement with DISH Network Pursuant to VOOM Litigation Agreement          
Litigation Settlement [Abstract]          
Cash settlement paid   $ 175,000us-gaap_LitigationSettlementAmount
/ dei_LegalEntityAxis
= cvc_AmcNetworksIncMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= cvc_LitigationSettlementWithDishNetworkPursuantToVoomLitigationAgreementMember