Financial covenant which sets forth the maximum ratio of senior secured net indebtedness to cash flow (as defined).

No definition available.

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- Definition

Financial covenant which sets forth the maximum ratio of total net indebtedness to cash flow (as defined).

+ References

No definition available.

+ Details

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- Definition

Maximum aggregate letters of credit that can be issued under the credit facility.

+ References

No definition available.

+ Details

Name:	cvc_MaximumAggregateLettersOfCreditThatCanBeIssued
Namespace Prefix:	cvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of financial maintenance covenants applicable to the credit facility.

+ References

No definition available.

+ Details

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- Definition

Senior secured leverage ratio, as defined in the Credit Agreement.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. Such amount is before the consideration of accumulated amortization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payment applied to principal.

+ References

+ Details

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

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

Reference 3: 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 4: 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

+ Details

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

- Definition

The cash outflow to settle a bank borrowing during the year.

+ References

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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

- Details

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- Details

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- Details

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DEBT, Restricted Group Credit Facility (Details) (USD $)	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	May 31, 2014	Apr. 17, 2013
Restricted Group Credit Facility [Abstract]
Repayments of credit facility debt	$ 990,785,000us-gaap_RepaymentsOfBankDebt	$ 3,445,751,000us-gaap_RepaymentsOfBankDebt	$ 519,458,000us-gaap_RepaymentsOfBankDebt
Restricted Group \| New Credit Agreement
Restricted Group Credit Facility [Abstract]
Maximum credit borrowing capacity	4,808,510,000
Senior secured leverage ratio	3.50
Maximum aggregate letters of credit that can be issued	150,000,000
Number of applicable financial covenants	2
Deferred financing costs incurred		27,080,000
Restricted Group \| Revolving Loan Facility
Restricted Group Credit Facility [Abstract]
Maximum credit borrowing capacity						1,500,000,000
Amount drawn	0
Commitment fee percentage (in hundredths)	0.30%
Restricted Group \| Term B Loan Facility
Restricted Group Credit Facility [Abstract]
Maximum credit borrowing capacity	1,400,000,000
Repayments of credit facility debt				200,000,000	750,000,000
Debt discount at issuance	5,326,000	10,615,000				11,750,000
Restricted Group \| Term B Loan Facility \| Eurodollar Rate
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	2.50%
Restricted Group \| Term B Loan Facility \| Base Rate
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	1.50%
Restricted Group \| Term B Loan Facility \| Quarterly Payments from from September 30, 2013 through December 31, 2019
Restricted Group Credit Facility [Abstract]
Repayments of principal	3,481,000
Restricted Group \| Term B Loan Facility \| Final Payment on April 17, 2020
Restricted Group Credit Facility [Abstract]
Repayments of principal	1,301,812,000
Restricted Group \| Term A loan facility
Restricted Group Credit Facility [Abstract]
Maximum credit borrowing capacity						958,510,000
Restricted Group \| Term A loan facility \| Eurodollar Rate \| Minimum
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	1.50%
Restricted Group \| Term A loan facility \| Eurodollar Rate \| Maximum
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	2.25%
Restricted Group \| Term A loan facility \| Base Rate \| Minimum
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	0.50%
Restricted Group \| Term A loan facility \| Base Rate \| Maximum
Restricted Group Credit Facility [Abstract]
Basis spread on variable rate (in hundredths)	1.25%
Restricted Group \| Term A loan facility \| Quarterly Payments from September 30, 2014 through June 30, 2016
Restricted Group Credit Facility [Abstract]
Repayments of principal	11,981,000
Restricted Group \| Term A loan facility \| Quarterly Payments from September 30, 2016 through March 31, 2018
Restricted Group Credit Facility [Abstract]
Repayments of principal	23,963,000
Restricted Group \| Term A loan facility \| Final Payment on April 17, 2018
Restricted Group Credit Facility [Abstract]
Repayments of principal	694,919,000
Restricted Group \| Extended Revolving Loan Facility
Restricted Group Credit Facility [Abstract]
Unamortized deferred financing costs and discounts written off		6,602,000
CSC Holdings, LLC
Restricted Group Credit Facility [Abstract]
Repayments of credit facility debt	990,785,000	3,445,751,000	519,458,000
CSC Holdings, LLC \| Revolving Loan Facility \| Term B Loan Facility
Restricted Group Credit Facility [Abstract]
Unamortized deferred financing costs and discounts written off	5,564,000
Gain (loss) on extinguishment of debt	$ (4,054,000)
Revolving Loan Facility \| Restricted Group \| Term A loan facility
Restricted Group Credit Facility [Abstract]
Maximum ratio of total net indebtedness to cash flow	5.0
Maximum ratio of senior secured net indebtedness to cash flow	4.0