Debt Instrument, Adjustment to Fair Value after Acquisition

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- Definition

Sale Of Stock, Consideration Received On Transaction, Used To Repay Long Term Debt

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- 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
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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
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DEBT - Senior Guaranteed Notes and Senior Notes and Debentures (Details) - USD ($)			1 Months Ended			12 Months Ended
	Mar. 15, 2017	Jun. 21, 2016	Sep. 30, 2017	Jul. 31, 2017	Apr. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017	Sep. 30, 2016	Jun. 12, 2015
Debt Instrument [Line Items]
Principal Amount						$ 4,693,675,000
Carrying Amount						15,860,432,000	$ 17,507,325,000
Less: Current portion						507,744,000	926,045,000
Long-term debt						15,352,688,000	16,581,280,000
Redemption of debt amount						1,729,400,000	0
10.875% Notes due October 15, 2025
Debt Instrument [Line Items]
Interest Rate				10.875%
Senior Notes
Debt Instrument [Line Items]
Principal Amount						$ 16,289,245,000
Senior Notes \| 7.875% Notes due February 15, 2018
Debt Instrument [Line Items]
Interest Rate						7.875%
Principal Amount						$ 300,000,000
Carrying Amount						$ 301,184,000	310,334,000
Senior Notes \| 7.625% Notes due July 15, 2018
Debt Instrument [Line Items]
Interest Rate						7.625%
Principal Amount						$ 500,000,000
Carrying Amount						$ 507,744,000	521,654,000
Senior Notes \| 8.625% Notes due February 15, 2019
Debt Instrument [Line Items]
Interest Rate						8.625%
Principal Amount						$ 526,000,000
Carrying Amount						$ 541,165,000	553,804,000
Senior Notes \| 6.75% Notes due November 15, 2021
Debt Instrument [Line Items]
Interest Rate						6.75%
Principal Amount						$ 1,000,000,000
Carrying Amount						$ 960,146,000	951,702,000
Senior Notes \| 5.25% Notes due June 1, 2024
Debt Instrument [Line Items]
Interest Rate						5.25%
Principal Amount						$ 750,000,000
Carrying Amount						$ 660,601,000	650,193,000
Senior Notes \| 10.125% Notes due January 15, 2023
Debt Instrument [Line Items]
Interest Rate						10.125%
Principal Amount						$ 1,800,000,000
Carrying Amount						$ 1,777,914,000	1,774,750,000
Senior Notes \| 10.875% Notes due October 15, 2025
Debt Instrument [Line Items]
Interest Rate						10.875%
Principal Amount						$ 1,684,221,000		$ 2,000,000,000
Carrying Amount				$ 315,779,000		$ 1,661,135,000	1,970,379,000
Loss on extinguishment of debt				34,341,000
Write-off of deferred financings costs				4,516,000
Senior Notes \| 6.625% Notes due October 15, 2025
Debt Instrument [Line Items]
Interest Rate						6.625%
Principal Amount						$ 1,000,000,000
Carrying Amount						$ 986,717,000	985,469,000
Senior Notes \| 5.5% Notes due April 15, 2027
Debt Instrument [Line Items]
Interest Rate						5.50%			5.50%
Principal Amount						$ 1,310,000,000			$ 1,310,000,000
Carrying Amount						$ 1,304,468,000	1,304,025,000
Redeemable debt, percent						40.00%
Redemption price, percentage						105.50%
Senior Notes \| 8.625% Notes due September 15, 2017
Debt Instrument [Line Items]
Interest Rate					8.625%	8.625%
Principal Amount						$ 0
Carrying Amount						$ 0	926,045,000
Extinguishment of debt			$ 400,000,000		$ 500,000,000
Senior Notes \| 7.75% Notes due April 15, 2018
Debt Instrument [Line Items]
Interest Rate						7.75%
Principal Amount						$ 750,000,000
Carrying Amount						$ 754,035,000	767,545,000
Senior Notes \| 8.0% Notes due April 15, 2020
Debt Instrument [Line Items]
Interest Rate						8.00%
Principal Amount						$ 500,000,000
Carrying Amount						$ 492,009,000	488,992,000
Senior Notes \| 5.875% Notes due September 15, 2022
Debt Instrument [Line Items]
Interest Rate						5.875%
Principal Amount						$ 649,024,000
Carrying Amount						$ 572,071,000	559,500,000
Senior Notes \| 6.375% Senior Notes due September 15, 2020
Debt Instrument [Line Items]
Interest Rate	6.375%					6.375%
Principal Amount						$ 1,050,000,000
Carrying Amount						$ 1,027,493,000	1,457,439,000
Redemption of debt amount	$ 450,000,000
Senior Notes \| 5.125% Senior Notes due December 15, 2021
Debt Instrument [Line Items]
Interest Rate						5.125%
Principal Amount						$ 1,250,000,000
Carrying Amount						$ 1,138,870,000	1,115,767,000
Senior Notes \| 7.75% Senior Notes due July 15, 2025
Debt Instrument [Line Items]
Interest Rate						7.75%				7.75%
Principal Amount						$ 620,000,000				$ 300,000,000
Carrying Amount						$ 604,374,000	602,925,000
Redeemable debt, percent						40.00%
Redemption price, percentage						107.75%
Senior Notes \| 5.375% Senior Notes due July 15, 2023
Debt Instrument [Line Items]
Interest Rate						5.375%				5.375%
Principal Amount						$ 1,100,000,000				$ 1,100,000,000
Carrying Amount						$ 1,082,482,000	1,079,869,000
Redeemable debt, percent						40.00%
Redemption price, percentage						105.375%
Senior Notes \| 5.5% Senior Notes due May 15, 2026
Debt Instrument [Line Items]
Interest Rate						5.50%
Principal Amount						$ 1,500,000,000
Carrying Amount						$ 1,488,024,000	$ 1,486,933,000
Redeemable debt, percent						40.00%
Redemption price, percentage						105.50%
Senior Notes \| Senior Notes due in 2025
Debt Instrument [Line Items]
Redemption price, percentage						100.00%
Cablevision Systems Corp. \| Senior Notes \| 10.125% Notes due January 15, 2023
Debt Instrument [Line Items]
Redemption price, percentage						110.125%
Cablevision Systems Corp. \| Senior Notes \| 10.875% Notes due October 15, 2025
Debt Instrument [Line Items]
Redemption price, percentage						110.875%
Cablevision Systems Corp. \| Senior Notes \| 6.625% Notes due October 15, 2025
Debt Instrument [Line Items]
Redemption price, percentage						106.625%
Cablevision Systems Corp. \| Senior Notes \| CSC Holdings Senior Notes
Debt Instrument [Line Items]
Redeemable debt, percent						40.00%
Adjustment to fair value		$ 52,788,000
IPO
Debt Instrument [Line Items]
Consideration received on transaction, used to repay long term debt				$ 350,120,000