Name:	cvc_CollateralizedIndebtednessSettled
Namespace Prefix:	cvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The value of the equity derivative contracts related to the collateralized indebtedness that was settled.

No definition available.

Name:	cvc_DerivativeContractsSettled
Namespace Prefix:	cvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The net repayment of collateralized indebtedness and proceeds from new monetization contracts.

No definition available.

Name:	cvc_NetCashReceiptPaymentOnCollateralizedIndebtednessSettlements
Namespace Prefix:	cvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of shares of equity investment that were monetized.

No definition available.

Name:	cvc_NumberOfSharesMonetized
Namespace Prefix:	cvc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	cvc_SettlementsOfCollateralizedIndebtednessAbstract
Namespace Prefix:	cvc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

Name:	us-gaap_ProceedsFromIssuanceOfSecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228