Discontinued Operations, Legal Matter Expense

No definition available.

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

- Definition

Discontinued Operations, partial reimbursement of settlement.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ 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 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands		3 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	Feb. 08, 2016 USD ($)	Mar. 31, 2016 Version	Sep. 30, 2015 USD ($)
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 \| Version		3
Loss contingency, loss in period			$ 12,800
Marchese, et al. v. Cablevision Systems Corporation and CSC Holdings, LLC \| Selling, General and Administrative Expenses
Cable Operations Litigation [Abstract]
Legal fees			9,500
Marchese, et al. v. Cablevision Systems Corporation and CSC Holdings, LLC \| Sales Revenue, Net
Cable Operations Litigation [Abstract]
Loss contingency, loss in period			$ 3,300
Discontinued Operations, Disposed of by Sale \| Compensation Related Claims
Cable Operations Litigation [Abstract]
Discontinued operations, legal matter expense	$ 21,000
Discontinued operations, partial reimbursement of settlement	$ 6,000